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immunity

We can block the spread of HIV: Best ideas of the century

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We can block the spread of HIV: Best ideas of the century

The “enormous revelation” that drugs can be used to prevent catching HIV has benefitted millions and helped slash transmission rates

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PR1RKC Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus. T lymphocytes recognise a specific site on the surface of pathogens or foreign objects (antigens), bind to it, and become activated to produce antibodies or cells to eliminate that antigen. Specimen courtesy of Professor Greg Towers, University College London, UK. Magnification: x7000 when printed at 10 centimetres wide.

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Inside the new therapies promising to finally beat autoimmune disease

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Your diet may influence how effective vaccines are for you

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Antibody therapy makes the immune systems of old mice young again

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Someone being vaccinated against covid-19 in LA, California, in April 2021

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Covid-19 antibodies may give us partial immunity to SARS and MERS

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Intermittent fasting could make immune cells more effective in fighting pathogens and cancers

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Intermittent fasting could boost immunity in addition to weight loss

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Obesity may damage immune cells that prevent psoriasis

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Covid-19 booster vaccines should leave out original spike protein

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Life

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

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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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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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The food and drink that really can boost your immune system

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How the immune system changes with age and why

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How to tell if your immune system is weak or strong

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What effect did lockdown have on your child’s immune system?

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