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Discover the latest health news, scientific discoveries and big ideas about the human body and treating diseases, covid-19, diet, fitness, exercise, wellness and how to live a healthy life.

T-cells and brain cancer cell. Composite coloured scanning electron micrograph (SEM) of T-cells and an apoptotic brain cancer cell. T-cells are a component of the body's immune system. CAR T-cell therapy takes T-cells from a cancer patient's blood and modifies them to recognize a specific protein found on patient's tumor cells. When reintroduced to the patient the T-cells find and destroy the tumour cells. The newest form of CAR T-cell therapy, now in clinical trials, uses 'memory' T-cells which remain in the body after attacking the cancer. The hope is that memory T-cells may provide an active reservoir of cancer-killing cells capable of stopping further tumours. Magnification: x6000 at 10cm wide.

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How genetically engineered immune cells are beating some cancers

In some cases, it is now possible to genetically engineer the immune system to banish cancers like T-cell leukaemia that were previously unresponsive to treatments

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MANILA, PHILIPPINES - AUGUST 19: Commuters are seen wearing face masks and face shields inside a bus on August 19, 2020 in Quezon city, Metro Manila, Philippines. President Rodrigo Duterte relaxed quarantine measures in the Philippine capital in a bid to boost the country's tanking economy despite having the most coronavirus cases in Southeast Asia. The Philippines' health ministry has so far confirmed 173,774 cases of the coronavirus, a third of which were recorded in the last two weeks. (Photo by Ezra Acayan/Getty Images)

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The sex differences that impact the strength of your immune system

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New York, New York - March 14, 2020: The movement and travel restrictions instituted in NYC are having significant economic impacts. A sign at a GNC reads "The Best Defense is a strong immune system"; Shutterstock ID 1673613259; purchase_order: -; job: -; client: -; other: -

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Why do some people appear to have a naturally strong immune system?

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The food and drink that really can boost your immune system

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2E1DWA2 Heart love symbol, health, cyber tech romance, ai and cardio concept. Futuristic abstract 3d rendering illustration.

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The AI immune system that’s changing our understanding of human health

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Senior women exercising at home

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How the immune system changes with age and why

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Health

US proposes to ease blood donor restrictions on gay and bisexual men

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Previous studies have produced different results on the weight-loss benefits of fasting

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Only eating between 7am and 3pm helps people with obesity lose weight

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US hospitals are facing critically low supplies of liquid ibuprofen

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US childhood obesity guidelines may rush the use of drugs or surgery

The American Academy of Pediatrics recommends intensive interventions to manage weight loss, including drugs and surgery – but it’s unclear whether they will reduce childhood obesity

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Taxing sugary drinks may not cut obesity as much as headlines claim

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Preterm babies have a similar BMI at adolescence to peers born at term

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The size of skin cancer cells may affect how they respond to treatment

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A better understanding of PCOS offers fresh hope for new treatments

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