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The anti-aging effects of exercise, without exercise: Self-contracting muscle implants give mice a boost

Exercise does more than keep our minds and bodies healthy. It also protects us against the effects of aging. Scientists have developed self-contracting mini-muscle implants that grow their own blood supply and mimic the biological ...

Cell therapy substantially reduces severe rheumatoid arthritis in first clinical trial

Immunotherapies such as CAR T-cell therapy are used primarily to treat cancer. In the future, these patient-specific therapies, manufactured from patients' own immune cells, could also help cure autoimmune diseases. Six patients ...

Medical research news

Fruit fly toolkit pinpoints neurons that suppress aggression

Our brains constantly integrate information about both our internal state and our surroundings to determine how we behave. Much of this coordination depends on neuromodulators—chemical messengers that establish how neurons ...

Folic acid does not elevate formaldehyde in mice and humans

Folic acid—an essential vitamin added to flour and cereals and prescribed at high doses for cancer patients and people with blood disorders—does not elevate toxic formaldehyde in the body, according to a new study of mice ...