Different parts of our body ages at different times
Different parts of our body ages at different times WE all accept that getting older is inevitable, and now leading clinicians have revealed the exact age when different body parts start to decline, most alarming being the brain and lungs. BRAIN - Starts ageing at 20 As we get older, the number of nerve cells - or neurons - in the brain decrease. We start with around 100 billion, but in our 20s this number starts to decline. By 40, we could be losing up to 10,000 per day, affecting memory, Co-ordination and brain function. GUT - Starts ageing at 55A healthy gut has good balance between harmful and ‘friendly’ bacteria. But levels of friendly bacteria in the gut drop significantly after 55, particularly in the large intestine, says Tom MacDonald, professor of immunology at Barts And The London medical school. As a result, we suffer from poor digestion and an increased risk of gut disease. Constipation is more likely as we age, as the flow of digestive juices from th...