Health and genetics

Credit: Rüdiger Wölk/ Wikimedia

Vitamin C kills tuberculosis in accidental discovery

Wednesday, 22 May 2013 - 1 comment

Lab-grown tuberculosis (TB) bacteria has been killed with good old Vitamin C – an “unexpected” discovery scientists hope will lead to better, cheaper drugs.

Stem cell culture

Embryonic stem cells made from skin

Thursday, 16 May 2013

U.S. researchers have reported a breakthrough in stem cell research, describing how they turned human skin cells into embyronic stem cells for the first time.

Selman Waksman (right) deprived student Albert Schatz (left) of credit for streptomycin.

In conversation with Peter Pringle

Tuesday, 14 May 2013

COSMOS chats to journalist Peter Pringle about a famous scientific rip-off that followed the discovery of a cure for tuberculosis.

Credit: iStockphoto

Living in U.S. raises risk of allergies

Tuesday, 30 April 2013

Children born outside the United States have a lower risk of asthma, skin and food allergies, and living in the United States for a decade may raise a person’s allergy risk, according to a study.

An Anopheles stephensi mosquito, a known malarial vector. Credit: U.S. Centre for Disease Control

Gene clues point to Cambodia for resistant malaria

Monday, 29 April 2013

PARIS: Gene analysis of malaria parasites has pinpointed western Cambodia as the hotspot of strains that are dangerously resistant to artesiminin, the frontline drug against the disease, scientists said.

International Space Station NASA cropped

Space experiment sheds light on immune struggles

Tuesday, 23 April 2013

A lab experiment that rode to space two years ago has offered new clues about why astronauts’ immune systems struggle to perform in zero gravity, U.S. military researchers said.

zebra fish genome 2 cropped COSMOS Online

Zebrafish DNA mapped for disease research

Thursday, 18 April 2013

One of the world’s most popular aquarium fishes has joined the rat, the mouse, fruitfly and nematode worm in the roll call of creatures whose DNA has been sequenced to help fight disease among humans.

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Even non-amputees feel ‘phantom limbs’

Friday, 12 April 2013

Amputees often experience ‘phantom limbs’, or the sensation that their missing limb is still present, but a Swedish study has shown that even non-amputees can experience the bizarre sensation.

SWEDEN-NOBEL-MEDICINE-EDWARDS

Test-tube baby pioneer dies aged 87

Thursday, 11 April 2013

British scientist Robert Edwards, who was awarded a Nobel prize for his pioneering work in developing in vitro fertilisation (IVF), has died aged 87, his university announced.

African American woman

Gene doubles Alzheimer’s risk for African Americans

Wednesday, 10 April 2013

African Americans with a certain gene variant have nearly double the risk of developing late-onset Alzheimer’s disease than those without it, a new study has found.

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