As overweight Germans face a fat tax, the Telegraph warns that fad diets could lead to osteoporosis. Experts say that non-dairy or wheat-free diets could be putting women at risk of developing osteoporosis in later life.But don't think exercise will help. The Telegraph reports that disinfectants in swimming pools have been linked with cancer. And The Telegraph says that scientists have also suggested that the trend for women to have children later in life could lead to an evolutionary change that could mean women will become more fertile in their 40s and beyond.The Telegraph also says that the life expectancy gap between rich and poor is at its 'widest since the Great Depression'. A story also carried by the Guardian.And expectant parents watch out. The Telegraph reports that new parents miss six months' sleep in the first two years of their child's life.The Independent carries a fresh warning about HIV, as rates in the over-50s more than double in seven years.