According to a recent American study, people spend too much time with their heads bent over their smartphones and tablets. Bad posture can create tension in the neck and also cause a chronic form of headache.

Thermal energy has been used since ancient times as therapy for alleviating pain. The effect on the body of applying cold to injuries and heat to muscle spasms is not unlike that of a local anesthetic, helping to alleviate aches and pains in much the same way.

Hypertension is a phenomenon that affects between 6% and 8% of pregnant women, and is the leading cause of maternal and fetal mortality. Often, the main complication is the need to induce the baby very early to prevent later problems.

Based on calculations by the World Health Organization, around 3 million health workers out of 35 million, almost 10%, are exposed each year to the risk of contracting infections from infected blood caused by needlestick injuries. The fact is, a lot of workplaces and other environments deal with needles: from prisons to tattoo artists. What are the dangers? AIDS and hepatitis.

Noise pollution, especially in larger urban areas, can have a negative effect on health in a variety of ways, ranging from loss of sleep and mood swings to adverse effects on the ability to concentrate, hearing and the cardiovascular system.

Pregnant selfies, or prelfies, are spreading like wildfire on social networks. The rules for a perfect picture? Just lift your top and make sure your tummy gets plenty of exposure. And next up after the prelfie, we have the #brelfie, or breastfeeding selfie.

Sprains are part of everyday life; all you need to do is to place a foot wrongly on the pavement, or jerk a hand too hard and you've sprained an ankle, a knee or a wrist. In common usage it's also called 'twisting' and at the time it seems like the physical manifestation of a dose of bad luck, but it's actually one of the most common injuries that can happen. Some parts of the body are more prone to sprains, like ankles, knees and wrists.

Actors, writers, musicians and Nobel Prize winners: diabetes even happens to celebrities. Here's a list of VIPs and great performers who live with diabetes. It’s not a question of people with diabetes following their example just because they happen to have it too - it's simply a list of interesting facts and sometimes rather bizarre anecdotes - about their diets and habits.

Tetanus is caused by the spores of the Clostridium tetani, a bacterium often found in topsoil as well as contaminated syringes, which gets into the body through a wound. Tetanus often starts with a simple accident, but without vaccination, the consequences can be very serious.