Is your teenager a bookworm or computer savvy? If yes, then time to encourage him for some physical activity. Studies show that a person who gets good physical activity during teenage has a low risk of getting dementia in later years. There are a number of choices for working out these days. Teens can enrol for aerobics, kick boxing, taekwondo and other martial arts. Playing outdoor sports like cricket, football, lawn tennis, squash, swimming etc. is also effective. The creative ones can opt for dance lessons ranging from Contemporary or Merengue to Zumba. Get them active to keep their brains healthy!