Health

Smell sensitivity varies with circadian rhythm, study suggests

It has always been apparent that some individuals have a better sense of smell than others, but a new study of 37 teens provides the first direct evidence that within each person, smell sensitivity varies over the course ...

Genetics

Study identifies 'night owl' gene variant

If you've been a night owl all your life and mornings are your nemesis, you may be able to blame a gene mutation for all those late nights.

Health

Could quality of sleep have to do with sex differences?

You may have noticed that women are more prone to sleep disturbances than men. They are, for instance, up to twice as likely to suffer from insomnia than men. Could there be a link between the body clock that regulates sleep ...

Medical research

Powering up the circadian rhythm

At noon every day, levels of genes and proteins throughout your body are drastically different than they are at midnight. Disruptions to this 24-hour cycle of physiological activity are why jet lag or a bad night's sleep ...

page 4 from 5