Too much sitting, too little exercise may accelerate biological aging

Researchers at the University of California - San Diego have discovered that too much sitting, too little exercise may accelerate biological aging: Older women with low physical activity and 10 hours of daily sit time had even 'older' cells. You can read more here.

As a cell ages, its telomeres naturally shorten and fray, but health and lifestyle factors, such as obesity and smoking, may accelerate that process. Shortened telomeres are associated with cardiovascular disease, diabetes and major cancers.

Basically, it's just really important to keep active!