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DOPAMINE RESPONSIBLE FOR LOVE AND ADDICTION
12 June, 2006
DOPAMINE RESPONSIBLE FOR LOVE AND ADDICTION

Dopamine in brain keeps people in love and addicted

Come fall in love, get addicted! Dopamine in the brain seems to be what keeps males in love, addicted to drugs and being monogamous.

7 DEC 2005: 'Come fall in love!' may be one of the most popular movie ads but think twice before you do so.

Researchers of the University of Florida has found that more than cupid, the brain chemistry responsible for addiction plays a prominent part in love.

According to their findings, Dopamine, the chemical which drives the brain’s reward centre, keeps the male Prairie Voles monogamus. Prairie voles were selected for the study as they show signs of falling in love in the way humans do better than any other animal, with males and females bonding just after mating once.

According to a report in Nature Neurocience, Prairie Voles have the quality to forge long-lasting relationships.
The report said dopamine, which keeps drug addicts hooked on drugs, was found to drag people back to sources of pleasure.

After mating, the male voles showed aggression towards other females. The Florida researchers found that dopamine was released into the brains of males after mating took place. It was also released on an affected area of the brain known as nucleus accumbens. Researchers said nucleus accumbens is also present in humans.

After the team blocked this activity in the vole’s brain, males lost thir strong liking for their mate vis-à-vis other females, it was found.

Rsearchers said the study demonstrated the way the brain reacts to prompt monogamy, possibly for the first time, stressing the fact that the underlying mechanisms would be same in humans also.

And he also agreed human attraction would be different to that of voles.
ANTIPERSPIRANT DEODORANTS AND BREAST CANCER

Deodorants may increase risk of breast cancer

New research says that antiperspirant deodorants may lead to breast cancer.

9 March 2006
MUMBAI, INDIA

According to new research, using antiperspirant deodorants may increase risks of breast cancer in women. Dr. Philippa D. Darby of the University of Reading in the UK has conducted research showing that aluminum salts (present in the product), which exert estrogen-like effects, promote the growth of breast cancer cells in the laboratory.

These salts may disrupt the normal hormonal signaling within the breast. In fact, several cosmetics contain estrogen-mimicking inorganic compounds, indicating a different kind of battle for the human body. Until now it was believed that only organic substances can exert estrogen-like effects.

Deodorants are typically sprayed in the underarm region, close to the breast, and in addition often used after shaving, facilitating the entry of aluminum salts into the blood stream. Some studies indicate that these salts can enter underarm skin, even when it is unbroken.

Antiperspirants widely use aluminium chloride, aluminium chlorohydrate, and aluminium-zirconium compounds. These complexes react with the electrolytes in the sweat to form a gel plug in the duct of the sweat gland which prevent the gland from excreting liquid. Blockage of large number of sweat glands reduces the amount of sweat produced.

Dr.Darby suggests that it is better to cut down or reduce antiperspirant usage. She herself has stopped using them ten years ago.
Posted by geminimay_no 11:00 | Shocking | Comment(0) | Permalink

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