The BMJ investigation reveals extensive fossil fuel industry involvement in medical research, prompting calls for academics and publishers to cut ties. Over 180 articles acknowledged industry funding, and 1,000 featured authors linked to fossil fuel companies. Saudi Aramco and ExxonMobil were major contributors. Experts liken industry tactics to those of tobacco companies, urging journals to reconsider collaborations. The BMJ has extended its ban on fossil fuel-tied research and advertising.