Health Scan: November 2019 -
Brain and Spinal Cord  protected by Immune Cells while We Sleep, Says Study Microglia, are the immune cells which play an important role in reorganising the connections between nerve cells.They protect  the brain and spinal cord  from infections, engulf debris from dead cell tissue and repair  damaged  tissues not only when a person is  active but also during sleep. Norepinephrine, a neurotransmitter is present in low levels in the brain while we sleep and when this chemical is present in the brain, the microglia slip into a sort of hibernation. Increase in the level of this chemical, causes us to wake up and become alert causing microglial cells reorganise and repair Brain and Spinal Cord. "This work suggests that the enhanced remodeling of neural circuits and repair of lesions during sleep may be mediated in part by the ability of microglia to dynamically interact with the brain," said study first author Rianne Stowell. Children And adolescents at increased risk of Diabetes, Hypertension  According to the Comprehensive National Nutrition Survey (CNNS) 2016-18, risk of non-communicable diseases is growing among children aged 5 to 9 years and adolescents aged 10-19 years in India. Their survey results state that one in 10 school children and adolescents were pre-diabetic. One percent of school children and adolescents were diabetic and three percent of school children and four per cent of adolescents had high total cholesterol.Risk of chronic kidney disease in school  children and adolescents, hypertension in adolescents is rising. Female adolescents had a higher frequency of anaemia (40 per cent) compared to their male counterparts (18 per cent) and preschoolers, school-age children and adolescents had iron deficiency. Zantac, Common Heartburn Medication contaminated with traces of a possible carcinogen To prevent and treat gastroesophageal reflux and stomach ulcers, ranitidine drugs are used. Zantac a ranitidine heartburn drug, distribution is halted by its manufacturer, Novartis International’s Sandoz division, as it may be contaminated with traces of a possible carcinogen, N-nitrosodimethylamine (NDMA).Sometimes, this chemical is also found in low amounts in drinking water and many foods,such as  smoked or cured ones (bacon), beer, fish and cheese. According to U.S. Food and Drug Administration, NDMA is linked to blood-pressure and heart-failure medications called angiotensin II receptor blockers. So,Sandoz stopped the distribution of this ranitidine drug. Excessive consumption of some B -Vitamins increases the risk of hip fracture  Vitamins are essential for good health, but excessive consumption of certain vitamins may cause damage to health. According to researchers,high intake of vitamin B-6 and B-12, increases the risk of hip fracture. Particularly,  high doses of vitamin B-6 produce neurological symptoms, such as decreased muscle tone and ataxia that affects coordination.Women who consume high doses of both vitamins have increased risk of hip fracture. Scientists suggest that without  apparent deficiency, people should be cautious in taking vitamin supplementation. A modest change to diet may reduce symptoms of depression According to the latest study from Macquarie University in Australia,diet is now considered a "modifiable risk factor for depression”. Researchers found that, modifying diet in young adults, by reducing processed food intake and increasing the consumption of fruit, vegetables, fish, and olive oil, improved depression symptoms. According to them, a modest change to diet is a useful extra therapy to reduce symptoms of depression. The researchers chose young adults because the risk of depression is more in adolescence and young adulthood periods. Breast cancer risk may be lowered by eating more onions and garlic 4 Health Scan News
Vitamin B