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President and RFK Jr, the health secretary, repeatedly referred to autism during signing, though studies show no link between it and vaccinesDonald Trump has signed an executive order with plans for sweeping changes to the childhood vaccination schedule that attempts to override

Aptoide has brought its games store back to Google Play after more than a decade, as court-ordered changes open Android to competing app stores.

Reproduction is central to the survival of all living organisms. Over millions of years, animal species on Earth have evolved a remarkable variety of mating strategies, ranging from physical fights with competitors to mesmerizing color changes, songs that attract mates and rhythm

Researchers at Weill Cornell Medicine have uncovered how a key Parkinson's protein called LRRK2 shifts between inactive and active forms, revealing the structural changes that enable certain mutations to push the protein into an overactive state. Mutations that cause LRRK2 to bec

Researchers have identified genetic changes in malaria parasites that may reduce the effectiveness of key antimalarial medicines, highlighting the need for continued surveillance.

Health concerns | Rubbish decisions | In sympathy | Funeral songs | Short illnessesCalls for changes to breast cancer guidelines for GPs are welcome (Report, 4 August). The existing guidelines are irrational. If your grandmother and mother have both had breast cancer, you are sti

Tropical cyclones are among the most destructive natural forces on the planet, but predicting where they will go and how strong they will become is beset by challenges. Current methods are often good at tracking storm paths but struggle to anticipate changes in intensity.

Fever is one of the best-known mechanisms by which animals combat infectious diseases. Sick animals can increase their body temperature in two ways: through physiological regulation, by altering internal metabolic processes, or through behavioral changes, such as seeking warmer e

There are measurable changes in the way we run when we are short of sleep, which give us a clearer picture of how a lack of shut-eye affects our risk of injury

The cricket boards of Scotland and the Netherlands criticise the International Cricket Council for structural changes made to men's 50-over World Cup.

Scotland and the Netherlands have criticised the restructuring of next year's 50-over World Cup, saying the changes "risk weakening the integrity and credibility of international cricket".

The 2.0-liter turbo four returns as the only engine, but notable changes give it 13 more horsepower and better fuel economy.