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immunity

Life

The spiky shape of sunflower pollen may clear bee guts of parasite

Sunflower pollen’s spiky texture dramatically reduces the prevalence of a widespread gut parasite in eastern bumblebees

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How genetically engineered immune cells are beating some cancers

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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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The food and drink that really can boost your immune system

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fresh artichokes at farmers market ; Shutterstock ID 1472137547; purchase_order: -; job: -; client: -; other: -
France. Normandy. Fecamp. Coronavirus. Marie and her son Gaston, totally confined to the house. Both are infected with the virus,??that day the symptoms were strong. Few days later Marie and Gaston will be recovered from the virus and fine again.

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What effect did lockdown have on your child’s 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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This image may not be used in educational posters ^BCell-mediated immune response,^b computer artwork. This type of immune response is most often used against intracellular pathogens, such as viruses. The viruses (gold) are phagocytosed (engulfed) by macrophage cells (green), a type of white blood cell. Fragments of viral protein (antigen) are displayed on the macrophage's surface. The antigen is recognised by a helper T lymphocyte (purple, centre and right), which secretes chemicals to activate other immune cells, including cytotoxic T lymphocytes (purple, left and bottom). The cytotoxic cells release chemicals that cause the macrophages to disintegrate and die, killing the viruses inside as well.

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How to tell if your immune system is weak or strong

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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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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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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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Do we have 'immunity debt' and how could it affect our infection risk?

The covid-19 lockdowns undoubtedly saved many lives, but the prolonged restrictions also reduced our exposure and immunity to other infections, which could be set to spike in the UK this winter

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Children may be more susceptible to seasonal infections like the respiratory syncytial virus (RSV) this winter compared with in pre-pandemic years

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Iceland targets herd immunity with controversial covid-19 strategy

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Kurzgesagt CEO Philipp Dettmer: 'Everything can be made into a story'

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Is it time for the UK to vaccinate children against covid-19?

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Engineered immunity: Redesigning antibodies to better fight disease

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