Last week, a study published by the British Journal of Sports Medicine found that running can reduce the risk of early death, no matter how long or at what speed you run. The study focuses on 14 previous studies, based on six different groups of participants, totaling over 230,000 people for a period between 5.5 and 35 years. The authors report that any amount of running, even just once a week, is better than not running at all.
Swimmers have been found to have a 28% lower risk of early death and a 41
Tennis  Scientists trying to find the health benefits of different sports found that regular tennis and badminton sessions reduce the risk of death at any age by 47%. The study, published by British Journal of Sports Medicine collected responses from over 80,000 adults aged 30 and older, through studies conducted between 1994 and 2008.
In addition to improving of strength, breathing and flexibility, yoga has been found to reduce risk factors for heart disease such as high body mass index, cholesterol and blood pressure. A study by the American College of Cardiology found that people combining yoga practice and aerobic exercise, such as running or swimming, doubled the reduction in high BMI, cholesterol levels and blood pressure compared to people who participated in just one other exercise.
Numerous studies have shown that sitting too long can be a risk factor for early death. A study published by British Journal of Sports Medicine found that low-level activities, such as walking for only 10 to 59 minutes a week, could reduce the risk of death by any reason by 18%,