genes

There are scientists that have found a gene that might raise the chances of getting the most common kind of Alzheimer’s disease by 45 percent in people who inherit a certain form of the disease. The gene affects a brain cell’s ability to take in calcium. Hopefully, drugs can be made to fight this effect. Most people are over the age of 65 that are affected by the disease.

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For the first time, scientists have been able to genetically alter a human embryo. Researchers used an abnormal embryo that could never have developed into a baby to do the project.

The project raises the possibilities that people could be able to create designer babies in the future and scientists could insert certain genes into an embryo to produce babies with certain characteristics, such as higher intelligence and better athletic abilities. Some people think that this is wrong and turns children into designed objects and would create an unequal society where some people would be considered genetically superior while other people who are born without genetic injections would be inferior.

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The caffeine in coffee is unhealthy for some but beneficial to others, depending on a gene that determines how fast the chemical is metabolized.

Since test to determine which form of the gene one carries are not readily available, and one cannot feel how fast one’s body is getting rid of caffeine, the study’s author recommend not to consume more than four cups a day.

For those with slow acting gene, two to three cups of coffee a day increase their odds of a heart attack by 36 per cent, and four or more cups a day increase the risk by 64 percent, the study found.

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