Let's say you're on the football field and sand gets in your eyes. How do you know there's sand there? Of course you can't see it, but if you're a normal, healthy person, you can …
In 1965, a 17-year-old boy with the name Randy Gardner stayed awake for 264 hours. It's 11 days to see how he made it without sleep. On the second day, his eyes stopped concentrating. He lost t…
Imagine hot, gooey cookies, crunchy candies, velvety cakes and ice cream-filled waffle cones. Is your mouth watering? Craving for dessert? Why? What happens in the brain that makes it so hard to re…
The average person of a 21-year-old knows about 27,000 to 52,000 different words. At age 60, that number averages between 35,000 and 56,000. When pronounced aloud, most of these words last less than …
Imagine this: You're fast asleep when all of a sudden you're awoken! And not by your alarm clock. Your eyes open, and there's a demon sitting on your chest, pinning you down. You try to o…
In the third millennium BC, Mesopotamian kings recorded and interpreted their dreams on wax tablets. A thousand years later, the ancient Egyptians wrote a dream book listing more than a hundred commo…
Here's what needs to happen for pregnancy to occur after sex. Sperm must travel through the vagina, through the cervical opening, through the uterus, and into one of the two fallopian tubes. If a…
The post-Christmas period can leave many of us mentally depressed. Most of the activities we do during the vacation period can affect us both physically and mentally after the vacation period is over…
Safe sex with a regular partner has many health benefits. Most doctors admit it to their patients. Think about it for a moment, how do you feel when you are in a romantic relationship and when you ha…
Viagra (Trade name for sildenafil) is a fairly well-known drug used to treat erectile dysfunction. Sildenafil is used to deal with troubles with male sexual function (impotence or erectile dysfunctio…
happy couple Male organ pain, penile discharge, and testicular pain that occurs in a male patient is usually caused by one of four common infections. Adolescents who have …
What is bipolar disorder? The word bipolar means two extremes. For the millions of people with bipolar disorder around the world, life is torn between two different realities, euphoria and depressi…
When a new pathogen emerges, our bodies and health systems remain vulnerable. At times like these, there is an urgent need for a vaccine to create widespread immunity with minimal loss of life. So ho…
Good news to everyone, the world is moving closer to one of the most important public health goals of our time: eradicating HIV. And in order to do that, we won't even need to cure the disease. W…
In the year 2008, something unbelievable happened: a man was cured of HIV. In more than 70 million HIV cases, it was the first and, so far, the last. We still don't know exactly how he was healed…
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