3. Keep physically active

The old Arab saying, 'the healthy brain lies in a healthy body' is very true. As mentioned in earlier chapters, the importance of exercise is emphasized and Muslims are urged to teach their kids different sports: "Teach your children javelin throwing, swimming and horse riding." Although scientists have not yet proven any direct link between physical activity and brain performance, human experience and observations prove the benefits of a healthy body for proper brain function. Aerobic exercises like walking, swimming, jogging, biking and playing team sports like football, for 16 Muslim and Abu Dawood. 17 Al-Bukhari. example - are known to improve blood cholesterol image and lower blood pressure, leading to a better circulatory system and a healthier, stronger heart. With a healthier cardiovascular system, your heart will be able to pump blood more efficiently to all body parts - including the brain. Exercise improves respiratory function and is also a natural mood booster: it increases the release of endorphins, which are hormone-like substances responsible for the feeling of wellbeing.18 Keep physically active, walk as much as you can everyday, take the stairs instead of the elevator, park the car two blocks away from your destination, so you can benefit from a good walk, and do not forget your breathing exercises. This will enhance lung function, relax you and boost blood circulation with a fresh supply of oxygen to all body parts. Gerontologist Gene Cohen suggests that mature (elderly) people should develop four different types of activities: 19 •!• Active group activities such as hockey and football, which keep you active while allowing you to strengthen your social connections. •!• Passive group activities like art or cooking classes and discussion groups, which do not involve much physical effort but still encourage social gathering. •!• Individual active activities as walking, or bicycle riding, for some useful, active time by yourself. •!• Individual passive activities like reading, drawing, writing, or cooking-for a more relaxing time alone. 18 McManners, 2004. 19 Cited in: Restak, 1997.