HIV is a virus that targets the immune system. It damages and destroys white blood cells called CD4 T cells. Without treatment, HIV can progress to an advanced stage called stage 3 HIV, or AIDS. The World Health Organization (WHO) estimates there were nearly 39 million people living with HIV worldwide...
The female reproductive system is designed to carry out several functions. It produces the female egg cells necessary for reproduction, called the ova or oocytes. The system is designed to transport the ova to the site of fertilization. Conception, the fertilization of an egg by a sperm, normally occurs in the fallopian tubes....
What Is the Male Reproductive System? The male reproductive system refers to the organs involved in sexual function and in the production of children in men or people assigned male at birth (AMAB). These organs are both external and internal. Together, they make, store, and ejaculate sperm, which fertilizes...
The female reproductive system is designed to carry out several functions. It produces the female egg cells necessary for reproduction, called the ova or oocytes. The system is designed to transport the ova to the site of fertilization. Conception, the fertilization of an egg by a sperm, normally occurs in the fallopian tubes....
The sexual response cycle refers to the sequence of physical and emotional changes that occur as a person becomes sexually aroused and participates in sexually stimulating activities, including intercourse and masturbation. Knowing how your body responds during each phase of the cycle can enhance your relationship and help you...
Your heart is a muscle, and it gets stronger and healthier if you lead an active life. It’s never too late to start exercising, and you don’t have to be an athlete. Even taking a brisk walk for 30 minutes a day can make a big difference.Once you get going, you’ll...
Want to try out yoga but don’t know the first thing about tree pose? Ready to start lifting weights, or turn that walk around the park into a jog? Use these easy how-to’s.Bicep CurlGrab weights with palms facing forward, feet under hips. Bending arms, lift weights toward shoulders. Straighten elbows and lower weights...
Your next workout could set you up for a speedier metabolism.Your metabolism includes all the things your body does to turn food into energy and keep you going. Some people have a faster metabolism than others.Some things that affect whether your metabolism is speedy or sluggish include things you don’t control, like your age, sex, and...
It’s a fact: You have to burn more calories than you eat and drink to lose weight.For weight loss, it really matters that you cut back on the calories that you eat and drink. That matters most for taking the pounds off, according to the CDC.Exercise pays off in the...
I was an avid pilates-goer for five years straight. I’d pop into reformer classes, practice at-home mat pilates, and sprinkle in a yoga class when I could. Over time, though, I started to find myself unhappy with this routine and its (lack of) results. I knew weight training could...
