Yoga teacher planning to start a business in her 60s says you are never too old to change your life – and a doctor agrees

• A divorced mother of four, Susan Sims trained as a yoga teacher aged 55 and five years on is a hypnotherapy intern. She’s going to open a therapy centre
• A doctor specialising in old age says more people are defying stereotypes about ageing: ‘They don’t believe they’re too old to learn, work or do something new’