What are the hazards of staying up late for a long time?

Staying up late will increase the risk of cancer; Inducing cardiovascular diseases; Affect vision, cause eye diseases, insomnia and depression.

Oncologists believe that staying up late will increase the risk of cancer.

"Today, the incidence of cancer is getting higher and higher. I am really worried about the health of night owls! " According to Ouyang Xuenong, director of the Oncology Department of Fuzhou General Hospital of Nanjing Military Region, staying up late for a long time is one of the reasons for the high incidence of tumors. Because staying up late will lead to the disorder of endocrine hormones, abnormal cell metabolism, affect the normal division of human cells, lead to cell mutation and increase the risk of cancer. The International Agency for Research on Cancer has long recognized that night shift is a strong carcinogen. Compared with people who work nine to five, the risk of advanced cancer increases by 24%, and the risk of early cancer increases by 49%.

Cardiologists believe that staying up late induces cardiovascular disease.

"Some of my patients used to work for more than ten hours every day and often stayed up late at night." Ma, deputy chief physician of the Department of Cardiology, Beijing Hospital, said that when people stay up late, they are in a state of tension for a long time and constantly secrete hormones such as adrenaline, which will cause abnormal vasoconstriction. Long-term lack of sleep, people will feel nervous and anxious, easy to induce or aggravate high blood pressure. It is suitable for patients with atrial fibrillation, arrhythmia and coronary heart disease. Staying up late virtually increases the load on the heart and is prone to accidents such as myocardial infarction.

Ophthalmologists believe that staying up late will take away good eyesight.

Many people don't know, in fact, good eyesight will slip away quietly in long-term staying up late. Yang Yongsheng, deputy director of the Department of Ophthalmology, Chinese Academy of Traditional Chinese Medicine, said that staying up late is equivalent to overworking the eyes. Fighting hard all night under the light is easy to make eye muscles tired, which will lead to poor eyesight in the long run. Some people who stay up late will also have problems such as pain, dryness and swelling. Coupled with low resistance, it can also induce eye diseases such as conjunctivitis, keratitis and macular edema.

Psychiatrists believe that staying up late can lead to insomnia and depression.

Staying up late not only hurts the body, but also hurts the mind! Jia, director of the psychiatric ward of Beijing Anding Hospital, said that he has treated many young patients because of long-term staying up late, which led to sleep disorders and even neurasthenia. Jia introduced that this is because people's sympathetic nerves are generally excited at night and during the day. When staying up late, the sympathetic nerve stays excited at night, and these symptoms will appear during the day. Staying up too long may also increase the risk of depression.