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It really is a case of use it or lose it. And having sex at least once a week will keep your hormones, heart and brain in top condition. And the more you have, the better the benefits. Men who have sex three or more times a week reduce their risk of heart attack or stroke by 50%. It’s largely a myth that sex can trigger heart attacks, but if you’re worried, don’t overdo the aerobics and you’ll still get the benefit of powerful relaxation hormones. Regular sex releases ‘feel good’ Endorphins at any age, as well as easing stress.
Laurie Mintz, who teaches a popular undergraduate class on the psychology of sexuality at the University of Florida, told me that the #MeToo movement has made her students much more aware of issues surrounding consent. She has heard from many young men who are productively reexamining their past actions and working diligently to learn from the experiences of friends and partners. But others have described less healthy reactions, like avoiding romantic overtures for fear that they might be unwelcome. In my own conversations, men and women alike spoke of a new tentativeness and hesitancy. One woman who described herself as a passionate feminist said she felt empathy for the pressure that heterosexual dating puts on men. “I think I owe it to them, in this current cultural moment particularly, to try to treat them like they’re human beings taking a risk talking to a stranger,” she wrote me. “There are a lot of lonely, confused people out there, who have no idea what to do or how to date.”

The sexual response cycle is a model that describes the physiological responses that occur during sexual activity. This model was created by William Masters and Virginia Johnson. According to Masters and Johnson, the human sexual response cycle consists of four phases; excitement, plateau, orgasm, and resolution, also called the EPOR model. During the excitement phase of the EPOR model, one attains the intrinsic motivation to have sex. The plateau phase is the precursor to orgasm, which may be mostly biological for men and mostly psychological for women. Orgasm is the release of tension, and the resolution period is the unaroused state before the cycle begins again.[8][page needed]


Please note that some translations using Google Translate may not be accurately represented and downloaded documents cannot be translated. Dana-Farber assumes no liability for inaccuracies that may result from using this third-party tool, which is for website translation and not clinical interactions. You may request a live medical interpreter for a discussion about your care.

Fungi are classified by the methods of sexual reproduction they employ. The outcome of sexual reproduction most often is the production of resting spores that are used to survive inclement times and to spread. There are typically three phases in the sexual reproduction of fungi: plasmogamy, karyogamy and meiosis. The cytoplasm of two parent cells fuse during plasmogamy and the nuclei fuse during karyogamy. New haploid gametes are formed during meiosis and develop into spores. The adaptive basis for the maintenance of sexual reproduction in the Ascomycota and Basidiomycota (dikaryon) fungi was reviewed by Wallen and Perlin.[28] They concluded that the most plausible reason for maintaining this capability is the benefit of repairing DNA damage, caused by a variety of stresses, through recombination that occurs during meiosis.[28]
For many species, sex is not determined by inherited traits, but instead by environmental factors experienced during development or later in life. Many reptiles have temperature-dependent sex determination: the temperature embryos experience during their development determines the sex of the organism. In some turtles, for example, males are produced at lower incubation temperatures than females; this difference in critical temperatures can be as little as 1–2 °C.
In a number of films made by obsessed, Svengali-styled mentor/director Josef von Sternberg, Marlene Dietrich played seductive, cool females in sexually perverse melodramas. She was Lola Lola, a cheap, smoky-voiced, sensual cabaret singer with stockinged-legs and top hat atop a beer barrel in the Blue Angel nightclub in her greatest film, The Blue Angel (1930), Germany's first sound film. In the atmospheric, seedy film, she manipulatively lured a repressed and obsessed Professor Emmanuel Rath (Emil Jannings) towards his doom by her teasing exoticism while singing Falling In Love Again.
Sex takes time to learn under the best of circumstances, and these are not the best of circumstances. Modeling your behavior after what you’ve seen on-screen can lead to what’s known as “spectatoring”—that is, worrying about how you look and sound while you’re having sex, a behavior the sex researchers William H. Masters and Virginia E. Johnson long ago posited was bad for sexual functioning. Some young women told me they felt pressured to emulate porn actresses—and to achieve orgasm from penetration alone, which most women can’t do. “It took me a while to be comfortable with the fact that I don’t have to be as vocal during sex as the girls seem to be in porn,” a 24-year-old woman in Boston said. A 31-year-old in Phoenix explained that in her experience, porn has made men “expect that they can make any woman orgasm by just pounding away.”

Some STIs can also be spread in ways other than having sex. For example, herpes simplex and hepatitis B could be caught by a virgin without having sex, but can also be caught through sex. Some types of STIs can spread from contact between the genitals, mouth, anus, skin, eyes, and (rarely) infected surfaces; this depends a lot on the type of STI and how it spreads. Some common diseases like HPV can cause warts and cancer in the genitals or anus or throat.


The most basic sexual system is one in which all organisms are hermaphrodites, producing both male and female gametes—[citation needed] this is true of some animals (e.g. snails) and the majority of flowering plants.[34] In many cases, however, specialization of sex has evolved such that some organisms produce only male or only female gametes. The biological cause for an organism developing into one sex or the other is called sex determination.
Unfortunately, you are now in the hands of the evil hunters of elves. Now you'll have to work for them side by side with other humans and elves. Your job will be digging gems and other treasures in the old mine. These dark elves are really brutal and they use their prisoners also for their sexual needs in the dominant way. Try to survive and hopefully for you the story will find a solution to get you out of there.
Sexual health is a broad term that encompasses many aspects including sexual activities. “Sex” relates to the sexual activities that people engage in. What people do sexually is as diverse as the many activities that are out there. Sex will mean different things to different people based on things such as their values, beliefs, preferences, desires, comfort level, partners, clients, etc. For instance, sex for one person might be oral sex. For another person ‘oral sex’ might not mean sex but might mean ‘fooling around’. One person may include ‘phone sex or sexting’ in their definition of sex, while another person might say, even if we sent sexy pictures to each other it does not mean ‘sex’ to me unless we are physically touching. There is no right or wrong in this…it all depends on how you define sex for you.

Audrey Munson (a real-life model) first appeared artistically nude in George Foster Platt's controversial Inspiration (1915) from the Mutual Film Corporation, as a sculptor's model. It was the first known film in which a leading actress stripped down to be naked, making her the first nude film star. Munson also appeared nude in another silent film, Rea Burger's 7-reel Purity (1916), in a dual role as a spirit figure and as an artist's nude model named Purity/Virtue.


Bushnell is the bestselling author behind Sex and The City, Four Blondes, Lipstick Jungle, The Carrie Diaries and One Fifth Avenue, among others. Published in 1996, Sex and the City was the basis for the Emmy-winning HBO series that spawned two hit movie sequels. Bushnell’s Lipstick Jungle and the Sex and the City prequel The Carrie Diaries also were adapted into TV series for NBC and the CW, respectively.
In reporting this story, I spoke and corresponded with dozens of 20- and early-30-somethings in hopes of better understanding the sex recession. I can’t know that they were representative, though I did seek out people with a range of experiences. I talked with some who had never had a romantic or sexual relationship, and others who were wildly in love or had busy sex lives or both. Sex may be declining, but most people are still having it—even during an economic recession, most people are employed.

In October, as I was finishing this article, I spoke once more with April, the woman who took comfort in the short story about the romance novelist who was secretly a virgin. She told me that, since we’d last talked, she’d met a man on Tinder whom she really liked. They’d gone on several dates over the summer, and fooled around quite a bit. As terrified as she had been about getting physically and emotionally intimate with another person, she found, to her surprise, that she loved it: “I never thought I would feel that comfortable with someone. It was so much better than I thought it was going to be.”

Bloomington is the unofficial capital of American sex research, a status that dates back to the 1940s, when the Indiana University biologist Alfred Kinsey’s pioneering sex surveys inaugurated the field. It retains its standing thanks partly to the productivity of its scientists, and partly to the paucity of sex research at other institutions. In 2009, Herbenick and her colleagues launched the ongoing National Survey of Sexual Health and Behavior, which is only the second nationally representative survey to examine Americans’ sex lives in detail—and the first to try to chart them over time. (The previous national survey, out of the University of Chicago, was conducted just once, in 1992. Most other sex research, including Kinsey’s, has used what are known as convenience samples, which don’t represent the population at large. The long-running General Social Survey, which much of Jean Twenge’s research is based upon, is nationally representative, but poses only a few questions about sex.)
Over the course of many conversations with sex researchers, psychologists, economists, sociologists, therapists, sex educators, and young adults, I heard many other theories about what I have come to think of as the sex recession. I was told it might be a consequence of the hookup culture, of crushing economic pressures, of surging anxiety rates, of psychological frailty, of widespread antidepressant use, of streaming television, of environmental estrogens leaked by plastics, of dropping testosterone levels, of digital porn, of the vibrator’s golden age, of dating apps, of option paralysis, of helicopter parents, of careerism, of smartphones, of the news cycle, of information overload generally, of sleep deprivation, of obesity. Name a modern blight, and someone, somewhere, is ready to blame it for messing with the modern libido.
“If this is the case, or if you just feel like trying something a little more comfortable, take this position to the nearest couch or chair,” she says. “Sit up normally and have your partner straddle you so that you are face-to-face, or breasts-to-face, depending on height. Instead of bouncing up and down like they do in all of your favorite movies, have your partner swirl around in circles and rock back and forth so that the penis hits the wall of her G-spot over and over again. This grinding motion should also do some pretty magical things for her clitoris too, hopefully resulting in an elusive blended orgasm.”
Some social scientists take issue with aspects of Twenge’s analysis; others say that her data source, although highly regarded, is not ideally suited to sex research. And yet none of the many experts I interviewed for this piece seriously challenged the idea that the average young adult circa 2018 is having less sex than his or her counterparts of decades past. Nor did anyone doubt that this reality is out of step with public perception—most of us still think that other people are having a lot more sex than they actually are.
To be honest, though, all of the talk about sexual health doesn’t seem to have influenced the day-to-day particulars of our work. Sex still is primarily seen as a set of risk factors that we counsel against. I am convinced that this perspective on sex and sexuality as “risk” legitimates the stigma associated with sexually transmitted infections and contributes to our society’s poisonous intolerance of sexual diversity. A sexual health perspective incorporates the concept of personal and epidemiologic risks of sex, but recognizes the pervasive importance of sex in our lives.
In the Netherlands, the median age at which people first have intercourse rose from 17.1 in 2012 to 18.6 in 2017, and other types of physical contact also got pushed back, even kissing. This news was greeted not with universal relief, as in the United States, but with some concern. The Dutch pride themselves on having some of the world’s highest rates of adolescent and young-adult well-being. If people skip a crucial phase of development, one educator warned—a stage that includes not only flirting and kissing but dealing with heartbreak and disappointment—might they be unprepared for the challenges of adult life?
Sexual dimorphisms in animals are often associated with sexual selection—the competition between individuals of one sex to mate with the opposite sex.[42] Antlers in male deer, for example, are used in combat between males to win reproductive access to female deer. In many cases the male of a species is larger than the female. Mammal species with extreme sexual size dimorphism tend to have highly polygynous mating systems—presumably due to selection for success in competition with other males—such as the elephant seals. Other examples demonstrate that it is the preference of females that drive sexual dimorphism, such as in the case of the stalk-eyed fly.[43]
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