The tablet screen, because of its size, is a big draw on the battery so the simplest battery fix is to alter screen brightness. On most tablets you can do this in Settings and then use your finger to dim the brightness to a level that suits you.
Health and Behavioral Risks of Alcohol and Drug Use The negative physical and mental effects of the use of alcohol and other drugs are well documented. Use of these drugs may cause: blackouts, poisoning, overdose and death; physical and psychological dependence; damage to vital organs such as the brain, heart, and liver; inability to learn and remember information; and psychological problems including depression, psychosis, and severe anxiety.
How marijuana affects the mind. Marijuana reaches the same pleasure centers in the brain that are targeted by heroin, cocaine and alcohol. Depending on the quantity, quality and method of consumption, marijuana can produce a feeling of euphoria â or high â by stimulating brain cells to release the chemical dopamine.