The Telegraph – More than 5,000 people between the ages of 18 and 35 contacted a helpline for people addicted to gambling in the last year. Experts believe the rise of smartphone and online betting has led to big increases in the number of people getting addicted to the habit and calling for help. And for 18 to 35-year-olds the problem seems worse, as this age group accounted for 60 per cent of all calls and was the only age group where the number of calls to helpline Gamcare rose in the last year. Mark Kenward, a helpline adviser, told…