Some of the reasons for this increase are the development of antibiotics, having a supply of clean water and having a better systom for removing dirty water.
Doctors warn that watching television for more than two hours per day when you are young can lead to learning difficulties and a loss of concentration.
More and more people who live or work close to mobile phone masts get muscle aches, headaches, heart problems and stomaches.
Extreme exercise is any activity that increases your heart rate and the amount of oxygen that your muscle burn.