Tagged: genetics

How does asthma work?

More than 300 million people around the world suffer from asthma, and around 250,000 people die from it each year. But why do people get asthma, and how can this disease be deadly? Christopher...

Secrets of the X chromosome

The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence, so how can one twin end...

Are GMOs good or bad?

In most cases, GMOs have been altered with DNA from another organism, be it a bacterium, plant, virus or animal; these organisms are sometimes referred to as “transgenic” organisms. A gene from a spider that...

Alzheimer’s prevention strategies

Unlike age and genetics, certain health and lifestyle factors associated with Alzheimer’s disease risk may be controlled. Scientists are exploring prevention strategies to determine whether or not things like exercise, diet, and “brain games”...

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Can food cause body odor?

All of us have our own “odor signature,” largely determined by genetics, overall health and, of course, personal hygiene. But what we eat can also play a role—which is why researchers who do studies...