Immune system

`Short bursts of stress can be good for your health`

Researchers have discovered that short bursts of stress can ward off infection, help wounds to heal and even speed up recovery after surgery.

Sep 11, 2012, 13:26 PM IST

How diseases affect immune function

UCLA researchers have discovered a type of cell that is the “missing link” between bone marrow stem cells and all the cells of the human immune system.

Sep 04, 2012, 09:15 AM IST

Mechanism discovered to help treat inflammation

When the body suffers a wound or abrasion, white blood cells, travel to the site of the injury to protect the tissue from infection and start repairing the damage.

Sep 03, 2012, 13:43 PM IST

How flu virus disables immune system

Northwestern University scientists have discovered one of the ways the influenza virus disarms our natural defense system.

Aug 25, 2012, 10:18 AM IST

New tactic to disarm superbugs

A new tactic to disarm harmful bacteria may permit the body`s immune system to destroy them, rather than use drugs to kill them.

Aug 24, 2012, 15:20 PM IST

Hiden breast cancer cells allow them to spread to bone

Some breast cancer cells can turn off a signal that causes the immune system to attack them.

Jul 23, 2012, 20:20 PM IST

Why human body cannot fight HIV infection

Researchers have made a discovery that sheds light on why the human body isn`t completely immune to HIV infection.

Jul 13, 2012, 16:08 PM IST

`Dogs may help reduce respiratory illnesses in infants`

Infants exposed to dogs in the first year of life are more likely to have fewer respiratory illnesses than those who are raised in pet-free homes, a new study has claimed.

Jul 09, 2012, 19:40 PM IST

Sleep loss alters immune system similar to stress

Severe sleep loss jolts the immune system into action, reflecting the same type of immediate response shown during exposure to stress, according to a new study.

Jun 30, 2012, 16:19 PM IST

Viruses target gut microbes and affect human health

Scientists have analyzed a bacterial immune system and revealed a common set of viruses that attack good bacteria in the human gut.

Jun 25, 2012, 17:38 PM IST

Stress can be good for immune system

Stress is bad for you -- you`ve heard it a thousand times. But it can be good for your immune system, says a study.

Jun 22, 2012, 12:07 PM IST

Scientists identify molecule that flicks on immune system

Researchers have identified the molecular `switch` that directly triggers the body`s first line of defence against pathogens, more accurately known as the body`s "innate immunity".

May 22, 2012, 09:26 AM IST

Why astronauts’ immune systems don’t work well in space

Astronauts suffer from several types of stress while adapting to weightlessness in space.

May 09, 2012, 16:15 PM IST

Bullying `can damage one`s immune system`

The social stress that moulds a monkey`s immune system could help understand how stress affects humans.

Apr 11, 2012, 18:09 PM IST

Rare cells `key to immune system`

Scientists claim to have found that a rare immune cell helps the immune system "remember" an attack.

Apr 03, 2012, 12:27 PM IST

Rare cells `key to immune system`

Scientists claim to have found that a rare immune cell helps the immune system "remember" an attack.

Apr 03, 2012, 12:27 PM IST

Exposure to dirt in childhood promotes immunity

The concept of exposing infants to germs in order to build up immunity is known as the hygiene hypothesis.

Mar 27, 2012, 11:00 AM IST

Why getting better is worse than falling sick?

Acute-phase response raises body temperature, causes mild anaemia and loss of appetite.

Mar 22, 2012, 18:08 PM IST

Immune system tricked to accept donor organs: study

Scientists have found a way to trick the immune system into accepting organs from a mismatched, unrelated organ donor.

Mar 09, 2012, 19:20 PM IST

New technique jumpstarts immune system`s killer cells

New technique that potentially could turn immune system killer T cells into more effective weapons against infections and possibly cancer.

Feb 27, 2012, 12:18 PM IST