In today's health & fitness digest:

• If you want your kids to do better at school, make sure they're active in sports!
• Large-scale study reveals association between phthalates and risk of autism
• Significant calorie restriction transforms the type of fat cells we have
• Another study demonstrates that high intensity training is superior to moderate intensity when protecting against heart disease
• The more hours you exercise the lower the chance of "pelvic girdle pain" during / after pregnancy