The human knee is an extremely important joint. It holds the weight of the entire body, provides the strength needed to lift heavy objects, and bends and flexes to give us mobility. Since this crucial joint is under stress at almost all times (except when sitting or lying down), it is susceptible to wear over…

In the summer, it is a hobby of many people to lie out in the sun and work on their tans. Unfortunately, if done in excess, this hobby can lead to painful sunburns and possible skin cancer. A new study from the Tel Aviv University suggests that an effective way to prevent this is not…