Physical Education

childhood health concerns 1  child hood obesity 2 drug abuse 3 smoking  How do e-cigarettes affect the brain? The nicotine in e-liquids readily absorbs into the bloodstream when a person uses an e-cigarette. Upon entering the blood, nicotine stimulates the adrenal glands to release the hormone epinephrine (adrenaline). Epinephrine stimulates the central nervous system and increases blood pressure, breathing, and heart rate. As with most addictive substances, nicotine increases levels of a chemical messenger in the brain called  dopamine , which affects parts of the brain that control reward (pleasure from natural behaviors such as eating). These feelings motivate some people to use nicotine again and again, despite possible risks to their health and well-being. Health Effects for Teens The teen years are critical for brain development, which continues into young adulthood. Young people who use nicotine products in any form, including e-cigarettes, are un

Lowback pain One of the most stressed area in sports. I ts felt in the lumbar area. It can be subjected to acute and chronic stress .Low back pain can be aggregated by different factors. Inadequate strength, flexibility, reduced level of muscular endurance, congenital abnormalities and poor posture. Causes of lowerback pain 1)     Mechanical 2)     Discogenic Mechanical causes 1. Contusion, sprain and strain 2. Spondylolysis Fracture occurring near to the articular process.  This can occur on both sides of the vertebrae   3. Spondylolisthesis- One vertebra can be slip forward or backward. It results in severe back ache. ( it can occur to gymnasts and weight lifters, fosbury flop, cricketers) It can also occur as a stress fracture. 4. Mechanical congenital problem- spinabifida This condition occurs due to defect on growth where spinious process does not join in the mid line. Therefore  no bony protection at the back of the vertebrae. Gap is filled with