People should take part in two types of exercise regularly now to ensure they stay strong and independent later in life, experts have warned. It is thought we start to lose up to five percent of our strength every year after we reach the age of 40. This can have a devastating impact on the body over time, leaving us frail and reliant on external support as we get older. However, there are steps we can take to mitigate this - which we should start as soon as possible. Writing for Harvard Health ,