Amazon’s top 10 best-selling liver supplements, which generate an estimated monthly revenue of $2.5 million, lack ingredients recommended by leading doctors for treating liver issues. Many people mistakenly believe these supplements are safe because they’re natural, reports Ahmed Eltelbany, a first-year gastrointestinal fellow at the University of New Mexico. However, Eltelbany warns that many of these products are unbacked by rigorous clinical research and are unregulated, creating potential health risks.

UK firms are 'sleepwalking' into smart building cyber threats
Summarize this content to a maximum of 60 words: The convergence of operational technology and IT systems is posing serious risks for property firms.