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A major Alzheimer’s disease medical group is recommending that specialists may use certain blood tests to help diagnose patients with cognitive impairment in lieu of more complex and invasive tests, a move that could lead more people to get treated for the devastating disease. (Chen, 7/29)

A simple skin patch and COVID-like test could soon allow people to test for melanoma in the comfort of their home—helping catch the most dangerous type of skin cancer early without the need for a biopsy or blood draw. With funding from the National Institutes of Health, researchers from the University of Michigan (U-M) developed a silicone patch with star-shaped microneedles called the 'ExoPatch'. (Millington, 7/29)

There are many reasons to avoid ultraprocessed foods, including a link with heart disease, diabetes and obesity, but an increased risk of lung cancer may be yet another, a new study suggests. (Holcombe, 7/29)

YouTube will be included in Australia’s social media ban for children under 16 years of age, an about-face by officials after the Google-owned video site had initially been left out of the legislation. YouTube joins Meta Platforms Inc.’s Facebook and Instagram, Snap Inc.’s Snapchat, TikTok and X in the ban on underage account holders, which is due to come into force on Dec. 10, the government said in a statement. (Leigh and Chandler, 7/30)