If you find that the skin on the back of your neck has become dark recently, you will feel very strange. You go to work early in the morning and come back late every day, and spend the whole day in the office, hardly getting sunburned. Why does the skin on the back of your neck become dark?Although feel not good-looking, but because it is not painful, ordinary people will let it go；

     According to the World Health Organization, one third of cancers can be prevented, one third can be found early and cured with timely treatment, and only one third cannot be cured.But some early cancer symptoms are very confusing, and some will even be mistaken for other ailments, so as to delay treatment, regret for life;

     If you have three of these signs on your neck, it is a sign that the cancer cells have woken up；

Sign 1: black neck：

     A black neck can be a major health concern.A lot of people think the neck is black, maybe it's tan or something, but it's not.Some people's blackness is not due to pigmentation in the body, it is a manifestation of toxins in the body and outside the body；

     A black neck can be a sign of diabetes, liver cancer or lung cancer.So everyone must pay attention to, if your neck inexplically black, does not fade for a period of time, then please go to the hospital immediately；

Sign 2：Long bumps around the neck：

    If you have a little finger bump on or below your neck.Mind you, this may not be a normal detox. It could be that you already have cancer, and that bump on your neck is a warning sign of cancer；

    If the bag is red or yellow, there is pus or pus in it.Some may have itching symptoms, do not use your hand to pull it, after a few days, it has not gone down, quickly go to the hospital to consult a doctor；

    When there is a bag on the neck of the human body, but all other aspects are very normal, it is likely to be a thyroid tumor, let it develop for a long time, will cause cancer, or become large, oppression to their nerves；

Sign 3: There's a lump in his neck：

    In some people cancer manifests itself as a swelling on the neck, a very visible red swelling.Some people may not care at first.But the discovery neck grows nameless bump, especially the knot in one's heart that is neither painful nor itchy, must go to the hospital in time to check the etiology, so as not to delay the opportunity of treatment.

    The neck is where the lymph nodes gather.These lymph nodes are around the large blood vessels and nerves in the neck, and when you have a lump in the neck, it's probably an enlarged lymph node in the neck；

    Reason that can cause cervical lymph node enlargement has a lot of however, wait for instance inflammation, n/med tuberculosis and malignant tumor.Only the bump on the neck feels the activity is poor, quality of a material is hard, and inpainful ability should suspect the possibility of tumor, it is the inchoate expression of the cancer such as lymphatic cancer, nasopharyngeal cancer；

    These three signs on the neck can not be underestimated, when the symptoms, must not drag, to timely medical treatment, to avoid cancer or cancer risk；

     There are many causes of cancer, most of which are related to mood, estrogen levels, genetic factors, ionizing radiation and diet.Although there are some factors that we cannot change, diet and lifestyle are things that we can control. So how can we prevent cancer from diet and lifestyle；

01, Mediterranean diet：

     Plenty of fruit and enough vegetables may protect against many types of cancer.Too much red and preserved meat may increase the risk of colorectal cancer.The Structure of the Mediterranean diet emphasizes vegetables, fruits, fish, seafood, legumes and nuts, followed by grains, and vegetable oils used in cooking；

02, Avoid excessive alcohol consumption：

     Drinking too much alcohol also increases the risk of cancer, and the risk is even higher if heavy drinking is coupled with heavy smoking.Who therefore published its first alcohol-related policy report in 1999, developing strategies to reduce overconsumption for countries to consider.Such as raising taxes on alcohol, reducing the number of alcohol outlets, raising the age limit for buying alcohol, and effectively banning drunk driving...Measures such as；

03, Change the way you cook：

    Frying and barbecuing meat at high temperatures can produce carcinogens, while stewing and steaming produce relatively few bad molecules.However, as you enjoy these delicious meats, remember to pair them with plenty of vegetables for a balanced diet.It is suggested that we change the unhealthy cooking methods such as stir-frying, deep-frying and braising in soy sauce, which can also reduce the incidence of cancer；

    As the saying goes, "disease comes from the mouth", maintaining a healthy diet can effectively prevent the occurrence of cancer, we should not only pay attention to the body's bad "signals", but also from the daily lifestyle, maintain a healthy lifestyle；