These are signs of an addiction, and it can quickly take over a person's life. For some people with severe addictions, taking drugs can become more important than the need to eat or sleep. The urge to get and use the drug can fill every moment of a person's life. The addiction can replace all the things the person used to enjoy. Some people who are addicted may do almost anythingâlying, stealingâto keep taking the drug. Addiction is a long-lasting brain disorder. 1  Drugs can change how the brain works. 2  These brain changes can last for a long time. 3  They can cause problems with a personâs behavior like being moody, having memory loss, or even having trouble thinking and making decisions.
The body's reduced ability to regulate temperature, medical problems, medications and the environment are all factors affecting the ability of elderly individuals to maintain a healthy body temperature. Dangerous body temperatures are below 95 degrees Fahrenheit or above 104 degrees Fahrenheit for the general population. Elderly individuals have a narrower range of safe temperatures, varying by approximately 2 degrees on either end of the scale.
Clearly, that does not mean heating up the planet is a safe thing to do. A temperature rise of just a few Â°C will have all sorts of unwelcome impacts (see Climate impacts). In particular, parts of the planet could still get too hot for humans to survive. In the hottest places on Earth today, like Californiaâs Death Valley, temperatures can reach well over 50 Â°C.