Robert F. Kennedy Jr has spent years railing against food additives, framing them as part of a broader threat to public health. Now, as the US health secretary, his views have taken on new weight.

Add Yahoo as a preferred source to see more of our stories on Google. ADHD is characterized by symptoms such as inattention, hyperactivity and impulsivity. Nuthawut Somsuk/iStock / Getty Images Plus ...

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To uncover the nexus between ADHD and obesity, the research team applied urban scaling laws -- a mathematical framework from complexity science -- to public health data from 915 U.S. cities. Urban ...

The use of ADHD medication has increased notably in recent years, but its long-term effects in children have not been sufficiently studied, despite years of use. A recent population-based register ...

As research continues to reveal the biological complexity of attention-deficit/hyperactivity disorder (ADHD), scientists are questioning whether a single diagnostic ...