Sleeping with the light on may increase breast cancer risk by 14%
Are you one of those people who can not sleep without leaving some light on next? Know that this simple habit besides increasing your electric bill may also be damaging to your health.
According to new research conducted by the Harvard Medical School in the United States, sleep with light on or under The study, published in the journal Environmental Health Perspectives, suggested that artificial light reduces the levels of melatonin, the hormone that regulates sleep, and that can reduce the risk of breast cancer by up to 14%. be related to the prevention of the disease. It is believed that it also has cell regeneration functions and also helps fight inflammation in the body.
For analysis, the researchers analyzed the health status of about 110,000 women between the years 1989 and 2013. During this time, they linked the results to the satellite images of the addresses of each of the participants. The aim of this study was to evaluate the incidence of external lighting and to verify whether these people worked at night or not.
The results identified that participants who were exposed to higher levels of artificial light at night were more likely to develop breast cancer than those receiving smaller exposures. In addition, rates increased in proportion to the degree of contact with light.
According to the research, women who worked at night also had a higher risk of breast cancer. "In our modern industrialized society, artificial lighting is almost ubiquitous." Our results suggest that this generalized exposure during nightly hours could represent a new risk factor for breast cancer, "said lead author Peter James.
Previous research has already indicated that exposure to light throughout the night decreases levels of hormonal melatonin, which can disrupt the internal "clock" that regulates drowsiness. In this way, they would alter the level and functioning of estrogen and progesterone, the female sex hormones. In excess, these substances linked to female tumors.
The National Health Surveillance Agency (Anvisa) banned on Monday (8) the manufacture, manipulation, distribution, trade and use of any drug injected into the body. The measure was taken after the identification of many advertisements on the internet to market injectable products with green tea, promising slimming and combat of localized fats.
Making lifestyle changes can decrease the chances of type 2 diabetes, says one published in the Annals of Internal Medicine . According to scientists at the Blood Institute and National Cancer Institute in the United States, every new healthy habit such as physical activity, diet and smoking cessation further reduces the risk Diabetes is a metabolic syndrome of multiple origin, due to lack of insulin and / or the inability of insulin to adequately exert its effects.