Top 15 Facts on Skin Cancer

Skin cancer is the abnormal growth of a mass of cells, which most often develops on the skin exposed to the sun. Skin cancer types include basal cell carcinoma, squamous cell carcinoma and melanoma. Basal cell carcinoma also known as basal cell cancer is the most common type of cancer, which occurs in both older and younger people. Basal cell and squamous cell carcinomas are highly curable.

Melanoma is much less common than basal and squamous cell carcinoma and the most dangerous type of skin cancer as it can spread to other parts of the body at a very early stage and can be fatal. Melanoma begins in the melanocytes – the cells that make the brown skin pigment known as melanin, which gives the skin its color. The less common types of skin cancer include Kaposi sarcoma, Merkel cell carcinoma, and sebaceous gland carcinoma.
 
What Are The Causes Of Skin Cancer?

The leading reason for high incidence of skin cancer is exposure to harmful ultraviolet (UV) radiation. Exposure to ultraviolet radiation causes sunburn, premature aging of the skin and damage to the skin cells, which leads to skin cancer. DNA damage increases the chances of developing skin cancer. The DNA damage causes the cells to grow out of control and form a mass of cancer cells.

Skin cancer can also occur in areas that are not exposed to the sun. Lights used in tanning beds emit UV rays that can increase the risk of skin cancer. The chances of developing melanoma triple even while using tanning beds occasionally.

A person’s risk of developing skin cancer depends on factors such as age, genetics, weakened immune system, fair complexion, moles and exposure to some potentially avoidable lifestyle factors (sun exposure and tanning beds). Examining the skin for some dubious changes such as new skin growth, changes in existing moles and birthmarks can help detect skin cancer at the earliest.
Facts On Skin Cancer

1. Globally, two to three million non-melanoma skin cancers and 1,32,000 melanoma skin cancers occur each year. According to statistics, one in every three cancers diagnosed is a skin cancer.

2. Skin cancer is the most common type of cancer in the United States. It occurs in more than a million Americans each year. One in every five Americans will develop skin cancer in their lifetime, according to Skin Cancer Foundation Statistics. read more...

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Is Green Tea As Good As It Is Said To Be?

Green tea is the healthiest beverage on the planet.

It is loaded with antioxidants and nutrients that have powerful effects on the body.

This includes improved brain function, fat loss, a lower risk of cancer and many other incredible benefits.

Here are 10 health benefits of green tea that have been confirmed in human research studies.

1. Green Tea Contains Various Bioactive Compounds That Can Improve Health

Green tea is more than just green liquid.Many of the bioactive compounds in the tea leaves do make it into the final drink, which contains large amounts of important nutrients.It is loaded with polyphenols like flavonoids and catechins, which function as powerful antioxidants .These substances can reduce the formation of free radicals in the body, protecting cells and molecules from damage. These free radicals are known to play a role in aging and all sorts of diseases.One of the more powerful compounds in green tea is the antioxidant Epigallocatechin Gallate (EGCG), which has been studied to treat various diseases and may be one of the main reasons green tea has such powerful medicinal properties.Green tea also has small amounts of minerals that are important for health.Try to choose a higher quality brand of green tea, because some of the lower quality brands can contain excessive levels of fluoride .That being said, even if you choose a lower quality brand, the benefits still far outweigh 

2. Compounds in Green Tea Can Improve Brain Function and Make You Smarter

Green tea does more than just keep you awake, it can also make you smarter.The key active ingredient is caffeine, which is a known stimulant.It doesn’t contain as much as coffee, but enough to produce a response without causing the “jittery” effects associated with too much caffeine.What caffeine does in the brain is to block an inhibitory neurotransmitter called Adenosine. This way, it actually increases the firing of neurons and the concentration of neurotransmitters like dopamine and norepinephrine .Caffeine has been intensively studied before and consistently leads to improvements in various aspects of brain function, including improved mood, vigilance, reaction time and memory .However… green tea contains more than just caffeine. It also has the amino acid L-theanine, which is able to cross the blood-brain barrier.            L-theanine increases the activity of the inhibitory neurotransmitter GABA, which has anti-anxiety effects. It also increases dopamine and the production of alpha waves in the brain .Studies show that caffeine and L-theanine can have synergistic effects. Thecombination of the two is particularly potent at improving brain function .Because of the L-theanine and the smaller dose of caffeine, green tea can give you a much milder and different kind of “buzz” than coffee.Many people report having more stable energy and being much more productive when they drink green tea, compared to coffee.

3. Green Tea Increases Fat Burning and Improves Physical Performance

If you look at the ingredients list for any fat burning supplement, chances are that green tea will be on there.This is because green tea has been shown to increase fat burning and boost the metabolic rate, in human controlled trials .In one study in 10 healthy men, green tea increased energy expenditure by 4% .Another study showed that fat oxidation was increased by 17%, indicating that green tea may selectively increase the burning of fat .However, I’d like to point out that some studies on green tea don’t show any increase in metabolism, so the effects may depend on the individual .Caffeine itself has also been shown to improve physical performance by mobilizing fatty acids from the fat tissues and making them available for use as energy .In two separate review studies, caffeine has been shown to increase physical performance by 11-12%, on average.

4. Antioxidants in Green Tea May Lower Your Risk of Various Types of Cancer

Cancer is caused by uncontrolled growth of cells. It is one of the world’s leading causes of death.It is well known that oxidative damage contributes to the development of cancer and that antioxidants can have a protective effect .Green tea is an excellent source of powerful antioxidants, so it makes perfect sense that it could reduce your risk of cancer, which it appears to do:
 
Breast cancer: A meta-analysis of observational studies found that women who drank the most green tea had a 22% lower risk of developing breast cancer, the most common cancer in women .
 
Prostate cancer: One study found that men drinking green tea had a 48% lower risk of developing prostate cancer, which is the most common cancer in men .
 
Colorectal cancer: A study of 69,710 Chinese women found that green tea drinkers had a 57% lower risk of cancer .

Multiple other observational studies show that green tea drinkers are significantly less likely to get various types of cancer .It is important to keep in mind that it may be a bad idea to put milk in your tea, because it can reduce the antioxidant value .

5. Green Tea May Protect Your Brain in Old Age, Lowering Your Risk of Alzheimer’s and Parkinson’s

Not only can green tea improve brain function in the short term, it may also protect your brain in old age. Alzheimer’s disease is the most common neurodegenerative disease in humans and a leading cause of dementia.Parkinson’s disease is the second most common neurodegenerative disease and involves the death of dopamine producing neurons in the brain.Multiple studies show that the catechin compounds in green tea can have various protective effects on neurons in test tubes and animal models, potentally lowering the risk of Alzheimer’s and Parkinson’s . read more

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