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Getting answers about your sexual health is important. If you have questions about women's sexual health or men's sexual health, talk openly with your doctor. There's no reason to be embarrassed about sexual problems. Your doctor can effectively treat a wide variety of sexual problems, including erectile dysfunction, genital herpes, HPV, HIV or other sexually transmitted diseases (STDs).
The World Health Organization defines sexual health as a state of physical, emotional, mental and social well-being in relation to sexuality; it is not merely the absence of disease, dysfunction or infirmity. Sexual health requires a positive and respectful approach to sexuality and sexual relationships, as well as the possibility of having pleasurable and safe sexual experiences, free of coercion, discrimination and violence.
Sex not only feels good. It can also be good for you. Here's what a healthy sex life can do for you.

Pornhub Japanese Home, Sexual Health Teacher - 10 Surprising Health Benefits of Sex

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Recently, adult video sharing platform PornHub announced 2015 global watch adult videos of a report, to the state of decomposition, the United States is still the adult video watching superpower, in all broadcast traffic accounted for 41% of UK ranks second, but and the United States is not a small gap, squeezing out the India Canada, become the third.

PornHub is the world's largest adult video video platform, Internet users in 2015 in the platform to watch adult video total length of time for almost 44 billion hours, each of the users in the platform average viewing Twelve adult video, video platform total number of plays for 212 million times.

From a global point of view, adult video users the most hot search keywords are "lesbian", but in the United States, the hottest search keywords are "step by step" ". American media joked that this may reflect some of the American family relationship model.

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7 steps to unforgettable sex

So what about 50 Shades has over-40 women so, um, excited? "An extremely titillating book like this slows you down and gives you a fantasy from the reality of your life, from taking care of the kids, parents, working," says Gina Ogden, PhD, sex therapist and author of The Return of Desire: A Guide to Rediscovering Your Sexual Passion (Trumpeter). "Also, in midlife women's bodies start to change. They feel they've lost desire for sex."

But, says Ogden, that's often not quite the case. "What turned you on at 20 won't necessarily turn you on at 45 or 50," she notes, and the key is to get in touch with what gets you hot and bothered at this stage in life.

"Because of physiological changes and the fact that our focus has shifted to all these other responsibilities, it takes longer to warm up to sex," she says. "We need to be led into it, whether it's through reading erotica, a massage from your partner, or being romanced." She also points out that, after 45, a "quickie" might take about 45 minutes because, well, he may have his own performance issues, thanks to low testosterone. Wait too late in the evening and his package may only be ready for some ZZZs.

Ogden also recommends that you take time to look at yourself naked in the mirror and give yourself affirmations. "What part of your body do you love best?" she says. "Maybe your breasts, but they're no longer perky. Love them for what they are. If you're overweight, acknowledge that and affirm yourself as a being. Touch yourself, feel your hands on your own skin and where it feels really good." Communicate that to your partner, and you'll have the plot for your own steamy novel.

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1. Helps Keep Your Immune System Humming

“Sexually active people take fewer sick days,” says Yvonne K. Fulbright, PhD a sexual health expert.

People who have sex have higher levels of what defends your body against germs, viruses, and other intruders. Researchers at Wilkes University in Pennsylvania found that college students who had sex once or twice a week had higher levels of the a certain antibody compared to students who had sex less often.

You should still do all the other things that make your immune system happy, such as:

  • Eat right.
  • Stay active.
  • Get enough sleep.
  • Keep up with your vaccinations.
  • Use a condom if you don’t know both of your STD statuses.

2. Boosts Your Libido

Longing for a more lively sex life? “Having sex will make sex better and will improve your libido,” says Lauren Streicher, MD. She is an assistant clinical professor of obstetrics and gynecology at Northwestern University’s Feinberg School of Medicine in Chicago.

For women, having sex ups vaginal lubrication, blood flow, and elasticity, she says, all of which make sex feel better and help you crave more of it.

3. Improves Women’s Bladder Control

A strong pelvic floor is important for avoiding incontinence, something that will affect about 30% of women at some point in their lives.

Good sex is like a workout for your pelvic floor muscles. When you have an orgasm, it causes contractions in those muscles, which strengthens them.

4. Lowers Your Blood Pressure

Research suggests a link between sex and lower blood pressure, says Joseph J. Pinzone, MD. He is CEO and medical director of Amai Wellness.

“There have been many studies,” he says. “One landmark study found that sexual intercourse specifically (not masturbation) lowered systolic blood pressure.” That’s the first number on your blood pressure test.

5. Counts as Exercise

“Sex is a really great form of exercise,” Pinzone says. It won’t replace the treadmill, but it counts for something.

Sex uses about five calories per minute, four more calories than watching TV. It gives you a one-two punch: It bumps up your heart rateand uses various muscles.

So get busy! You may even want to clear your schedule to make time for it on a regular basis. “Like with exercise, consistency helps maximize the benefits,” Pinzone says.

6. Lowers Heart Attack Risk

A good sex life is good for your heart. Besides being a great way to raise your heart rate, sex helps keep your estrogen and testosterone levels in balance.

 “When either one of those is low you begin to get lots of problems, likeosteoporosis and even heart disease,” Pinzone says.

Having sex more often may help. During one study, men who had sex at least twice a week were half as likely to die of heart disease as men who had sex rarely.

7. Lessens Pain

Before you reach for an aspirin, try for an orgasm.

“Orgasm can block pain,” says Barry R. Komisaruk, PhD, a distinguished service professor at Rutgers, the State University of New Jersey. It releases a hormone that helps raise your pain threshold.

Stimulation without orgasm can also do the trick. “We’ve found that vaginal stimulation can block chronic back and leg pain, and many women have told us that genital self-stimulation can reduce menstrualcramps, arthritic pain, and in some cases even headache,” Komisaruk says.

8. May Make Prostate Cancer Less Likely

Going for the gusto may help ward off prostate cancer.

Men who ejaculated frequently (at least 21 times a month) were less likely to get prostate cancer during one study, which was published in the Journal of the American Medical Association.

You don’t need a partner to reap this benefit: Sexual intercourse, nocturnal emission, and masturbation were all part of the equation.

It’s not clear that sex was the only reason that mattered in that study. Lots of factors affect cancer risk. But more sex won’t hurt.

9. Improves Sleep

You may nod off more quickly after sex, and for good reason.

“After orgasm, the hormone prolactin is released, which is responsible for the feelings of relaxation and sleepiness” after sex, says Sheenie Ambardar, MD. She is a psychiatrist in West Hollywood, Calif.

10. Eases Stress

Being close to your partner can soothe stress and anxiety.

 Ambardar says touching and hugging can release your body’s natural “feel-good hormone.” Sexual arousal releases a brain chemical that revs up your brain’s pleasure and reward system.

Sex and intimacy can boost your self-esteem and happiness, too, Ambardar says. It’s not only a prescription for a healthy life, but a happy one.

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An active sex life is important to couples' happiness, and they don't have to go at it like rabbits -- those who make love once a week are happiest, a new study suggests.

More frequent sex isn't a buzzkill for a relationship. It just doesn't pack the same punch, Canadian researchers report Nov. 18 in the journal Social Psychological and Personality Science.

"Our research suggests that couples do not need to aim to engage in sex as frequently as possible but instead aim to maintain a connection with their partner," said study lead author Amy Muise, a postdoctoral fellow at the University of Toronto Mississauga.

The findings are based on three studies involving more than 30,000 people in all.

At issue: How does sexual frequency affect well-being?

Not surprisingly, the research showed that sex is good, and more sex is better, Muise said. Regularly having sex emerged as even more important to a happy relationship than money was.

But researchers haven't understood whether there's a point where more sex stops translating to more happiness, she said.

To gain insight, Muise and her colleagues first looked at results from a survey conducted in the United States every other year between 1989 and 2012. They focused on responses from more than 25,000 people, aged 18 to 89.

Among other things, participants answered questions about sexual frequency (from not at all to four or more times a week) and their perceptions of their happiness.

In a second study, researchers surveyed 335 people online, most of whom were heterosexual. Finally, they analyzed findings from a third study, a 14-year survey of U.S. married heterosexual couples.

Among couples, those who had more sex were happier to a point. The boosts in well-being "leveled off once couples reached a frequency of about once a week," Muise said. "It wasn't bad to engage in sex more frequently than once a week. It just wasn't associated with greater well-being on average."

The researchers saw no differences in the findings based on gender, age or length of relationship.

However, the findings didn't prove that frequency of sex affects happiness, since the research wasn't designed to prove cause-and-effect.

For single people outside committed relationships, however, the results were very different. For them, Muise said, more frequent sex didn't significantly translate to more happiness.

Perhaps any link between sex and happiness for singles depends on the relationship context or how comfortable people are with sex outside of a relationship, the researchers said.

The study also found that lovemaking once a week was the average frequency among couples.

"Perhaps this is the average since it seems to maximize the benefits for well-being," Muise said. "It is likely that weekly sex is enough for the average couple to maintain their intimate connection and to feel like they have an active sex life, and this is why we see this as the leveling-off point."

Russell Smyth, a professor of economics at Australia's Monash University who studies sexuality, said frequency of sex isn't the only factor that affects well-being.

His own research has provided evidence to support assumptions that may seem obvious: Couples are happier when sex is better, he said, and "men are more likely to get happiness from the more physical aspects of sex, while women's happiness is more attached to the emotional aspects."

Even if that's all true, why wouldn't more be better?

"It is like having an ice cream," Smyth said. "You enjoy your first ice cream. You also enjoy your second ice cream, but by not as much. You might also get some enjoyment from your third one, but even less because you are fuller, concerned about calories and so on."