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吸烟影响头发健康

[日期:2012-08-30] 来源:網絡轉載  作者:佚名 [字体: ]


吸烟跟掉发有直接的关系吗?

吸烟会影响人体的免疫系统、加速皮肤的老化、影响血液的循环,也有研究显示,吸烟会抑制毛囊细胞的分裂。北医公卫系韩柏柽教授指出,吸烟或吸入二手烟皆有害,根据国外研究,烟内有毒物质除有致癌危机,里头的尼古丁、古丁宁等有害物质会因吸入残留头发内,与造成掉发有关。且吸烟会直接妨碍妇女雌性激素的分泌,可能让雄性秃患者的掉发情况更加严重!

即使吸烟对毛囊的影响并未能够有更完整的科学研究,但至少确定的是,吸烟是会影响头发的健康。
还是及早戒烟或是尽量减少烟量啰!

以下节录世界卫生组织的文章,文章第一段就指出吸烟会导致掉发!

The Smoker’s Body

Every 8 seconds someone dies from tobacco use, says the World Health Organization. Research suggests that people who start smoking in their teens (as more than 70 percent do) and continue for two decades or more will die 20 to 25 years earlier than those who never light up. It is not just lung cancer or heart disease that cause serious health problems and death. Below, some of smoking’s less publicized side effects – from head to toe.

1. Hair loss 掉发
Smoking weakens the immune system, leaving the body more vulnerable to diseases such as lupus erythematosus, which can cause hair loss, ulcerations in the mouth and rashes on the face, scalp and hands.
收烟会消弱人体的免疫系统,让身体更容易受到红斑狼疮等疾病的侵袭,进而导致掉发、嘴部的溃疡以及头皮、脸、手的皮疹。

2. Cataracts 白内障
Smoking is believed to cause or
worsen several eye conditions. Smokers have a 40 percent higher rate of cataracts, a clouding of the eye’s lens that blocks light and may lead to blindness. Smoke causes cataracts in two ways: by irritating the eyes and by releasing chemicals into the lungs that then travel up the bloodstream to the eyes. Smoking is also associated with age-related macular degeneration, an incurable eye disease caused by the deterioration of the central portion of the retina, known as the macula. The macula is responsible for focusing central vision in the eye and controls our ability to read, drive a car, recognize faces or colors, and see objects in fine detail.

3. Wrinkling 皱纹
Smoking prematurely ages skin by wearing away proteins that give it elasticity, depleting it of vitamin A and restricting blood flow. Smokers’ skin is dry, leathery and etched with tiny lines, especially around the lips and eyes.

4. Hearing loss 丧失听力
Because smoking creates plaque on blood vessel walls, decreasing blood flow to the inner ear, smokers can lose their hearing earlier than non-smokers and are more susceptible to hearing loss caused by ear infections or loud noise. Smokers are also three times more likely than non-smokers to get middle ear infections that can lead to further complications such as meningitis and facial paralysis.

5. Skin cancer 皮肤癌
Smoking does not cause melanoma (a sometimes deadly form of skin cancer), but it does increase the chances of dying from it. Smokers have a two-fold increased risk of contracting cutaneus squamous cell cancer – a cancer that leaves scaly, red eruptions on the skin.

6. Tooth decay 蛀牙
Smoking interferes with the mouth’s chemistry, creating excess plaque, yellowing teeth and contributing to tooth decay.Smokers are one and half times more likely to lose their teeth.

 

7. Emphysema 肺部疾患
In addition to lung cancer, smoking causes emphysema, a swelling and rupturing of the lung’s air sacs that reduces the lungs’ capacity to take in oxygen and expel carbon dioxide. In extreme cases, a tracheotomy allows patients to breathe. An opening is cut in the windpipe and a ventilator to force air into the lungs (see image). Chronic bronchitis (not shown) creates a build-up of pus-filled mucus, resulting in a painful cough and breathing difficulties.

8. Osteoporosis 骨质疏松
Carbon monoxide, the main poisonous gas in car exhaust fumes and cigarette smoke, binds to blood much more readily than oxygen, cutting the oxygen-carrying power of heavy smokers’ blood by as much as 15 percent. As a result, smokers’ bones lose density, fracture more easily and take up to 80 percent longer to heal. Smokers may also be more susceptible to back problems: one study shows that industrial workers who smoke are five times as likely to experience back pain after an injury.

9. Heart disease 心脏疾患
One out of three deaths in the world is due to cardiovascular diseases. Smoking is one of the biggest risk factors for developing cardiovascular diseases. These diseases kill more than a million people a year in developing countries. Smoking-related cardiovascular diseases kill more than 600 000 people each year in developed countries. Smoking makes the heart beat faster, raises blood pressure and increases the risk of hypertension and clogged arteries and eventually causes heart attacks and strokes.

10. Stomach ulcers 胃溃疡
Smoking reduces resistance to the bacteria that cause stomach ulcers. It also impairs the stomach’s ability to neutralize acid after a meal, leaving the acid to eat away the stomach lining. Smokers’ ulcers are harder to treat and more likely to recur.

11. Discoloured fingers 手指变色
The tar in cigarette smoke collects on the fingers and fingernails, staining them a yellowish-brown.

12. Uterine cancer and miscarriage 子宫颈癌
Besides increasing the risk of cervical and uterine cancer, smoking creates fertility problems for women and complications during pregnancy and childbirth. Smoking during pregnancy increases the risk of low weight babies and future ill health consequences. Miscarriage is 2 to 3 times more common in smokers, as are stillbirths due to fetal oxygen deprivation and placental abnormalities induced by carbon monoxide and nicotine in cigarette smoke. Sudden infant death syndrome is also associated with smoking. In addition, smoking can lower estrogen levels causing premature menopause.

13. Deformed sperm 精子畸形
Smoking can deform sperm and damage its DNA, which could cause miscarriage or birth defects. Some studies have found that men who smoke have an increased risk of fathering a child who contracts cancer. Smoking also diminishes sperm count and reduces the blood flow to the penis, which can cause impotence. Infertility is more common among smokers.

14. Psoriasis 干癣症
Smokers are two to three times as likely to develop psoriasis, a noncontagious inflammatory skin condition that leaves itchy, oozing red patches all over the body.

15. Buerger’s disease 柏格氏症
Buerger's disease, also known as thromboangitis obliterans, is an inflammation of the arteries, veins, and nerves in the legs, principally, leading to restricted blood flow. Left untreated, Buerger's disease can lead to gangrene (death of body tissue) and amputation of the affected areas.

16. Cancer 其他癌症
More than 40 elements in tobacco smoke have been shown to cause cancer. Smokers are 22 times more likely to develop lung cancer 16a than non-smokers. And according to a number of studies, the longer one smokes, the greater the risk of developing a number of other cancers, including cancer of the nose (2 times greater) 16b; tongue 16c; mouth, salivary gland and pharynx (6 to 27 times): throat (12 times); oesophagus (8 to 10 times); larynx (10 to 18 times); stomach (2 to 3 times); kidneys (5 times) 16d; bladder (3 times); penis (2 to 3 times); pancreas (2 to 5 times) 16e; colon-rectus (3 times) and anus (5 to 6 times). Some studies have also found a link between smoking and breast cancer 16f.

This poster is an updated reproduction of “The smoker’s body” originally produced by COLORS magazine, issue 21, July-August 1997. A product of NMH Communications. Creating space for public health.
WHO, Geneva, 2001

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