Behind The Dangers of Vitamin A Cream

Vitamin A is one of the ingredients of skin aging products that are sold freely used. However, you must be very careful in using products that contain vitamin A and its derivatives.

A recent study published in the FASEB Journal shows vitamin A crucial role in the formation of energy in cells. Too much or deficiency of this vitamin will adversely affect the body. Therefore, you should be aware of the risk of an overdose of vitamin A given more and more products, whether cosmetic or supplements, which contain this vitamin.

"Our study tried to explain the potential downside of vitamin A due to the use of cosmetic creams and supplements. The use of excessive vitamin leads to the chaos of energy production that affect cell growth and death," said Ulrich Hammerling, Sloan-Kattering from the Institute for Cancer Research in New York , USA.

In his research, the researchers used cultures of human cells and mice containing a specific gene modification of chemicals containing mitochondrial energy production.

These cells are then grown with and without vitamin A. The researchers then tested the impact on each stage of energy production. The results showed, retinol, an important component in vitamin A, is essential for the metabolism of mitochondria and function as sensors nutrisioonal in energy production in cells.

However, when our bodies are too little or too much to receive vitamin A, mitochondria can not function properly, causing damage to the organ.

"Beauty may be only limited to the skin layer, but vitamin A is not. He will go down to the cell nucleus and affect our health," said Dr.Gerald Weissmann, editor-in-chief of FASEB Journal. "Using too much vitamin-enriched products can affect a negative, even fatal to the body," he said.

read more...

Lack of vitamin D, Caution Hypertension

White female adolescents are at risk of vitamin D deficiency is three times higher have high blood pressure in middle age compared with a group of teenagers who enough vitamin D.

The results of the study presented in the meeting of the American Heart Association in Chicago is well put in a group of adolescent girls at risk for hypertension due to lack of intake of vitamin D.

Researchers in Michigan, U.S., 559 women testing data that began in 1992, found that those who are deficient in vitamin D had hypertension 15 years later. "Our results indicate long-term risk of vitamin D deficiency are hypertensive at the age of around 30's," said Flojaune Griffin, from the School of Public Health, University of Michigan, USA.

Besides produced naturally by the body that comes from exposure to sunlight, vitamin D can also be found in fish, dairy products, and supplements. Vitamin D deficiency is now not only associated with healthy bones and teeth but also the risk of cancer, immune problems, and respiratory diseases.

Currently almost half the population in the world are deficient in vitamin D. The experts argued, this problem will get worse if the person is working more in the room. People of African-Americans are also considered at risk of vitamin D deficiency because dark skin makes them more difficult body to absorb ultraviolet light.

read more...

Breast Cancer Patients Need Vitamin D

The majority of breast cancer patients have vitamin D levels are low. This can cause bones to become brittle and fracture risk. In addition, vitamin D deficiency also accelerate the deterioration of cancer.

"Vitamin D is essential for maintaining healthy bones and general bone density of women with lower breast cancer as a side effect of hormone therapy and chemotherapy," said luke Peppone, assistant professor of radiation oncology at the University of Rochester Medical Center.

Peppone and his team studied 166 women undergoing breast cancer treatment therapies. The researchers found that nearly 70 percent of patients had vitamin D levels are low in the blood. Levels of vitamin D research respondents an average of 27 nanograms per milliliter of blood. Based on the U.S. Institute of Medicine, a sufficient level is 32 nanograms per milliliter.

Therefore, the researchers suggested that the patients taking vitamin D supplements to increase the high-dose vitamin D. In addition to bone health, vitamin D also plays a vital role in cell growth and keep the immune system remains strong.

A study by experts from Canada also shows that breast cancer patients have vitamin D levels are not enough experienced the spread of tumors when compared with patients who have vitamin D deficiency

Aside from supplements, vitamin D can be obtained from foods that contain calcium and exposure to sunlight.

read more...

Antioxidants Improve Diabetes Risk

If you fall into type 2 diabetes early stages, should avoid consuming antioxidants. Because the antioxidants actually accelerate the diabetes.

During these antioxidants called useful to protect or prevent the cell from free radical damage. Antioxidants prevent cell damage by attacking particles called reactive oxygen species (ROS) which are highly reactive oxidants and have an activity different.

Oxidative stress occurs when the balance disturbed where the number of ROS are increased because the capacity of the antioxidant system of the body is decreased. This oxidative stress is known to accelerate the development of several diseases, including type 2 diabetes.

In his research, Tony Tiganis of Monash University, Australia, examined the effects of oxidative stress in rats fed high-fat diet for 12 weeks. One group created mice that lack the enzyme that is useful for Gpxl against oxidative stress.

The researchers found that the enzyme deficiency causes the formation of insulin resistance, which is an early sign of diabetes. However, when mice were given an antioxidant, they became diabetic.

According to Tiganis, how oxidative stress is not harmful to the body but prevent enzyme damage the body's ability to use insulin at diabetes onset. And antioxidant protection is estimated to interfere with these mechanisms.

Although this new limited research on mice and not in humans, but Tiganis said that there have been several studies that say antioxidants do not protect the body from diabetes. "If you do not want to get diabetes, my suggestion is to have a healthy diet and exercise, rather than antioxidant supplements," he said.

read more...