High consumption of mate may make lung cancer more likely to occur in men.

​This study investigated the mate beverage-lung cancer connection hypothesis in males. Researchers studied the mate drinking habits of 497 patients with lung cancer and 497 healthy men residing in Uruguay from 1988 to 1994. 

Researchers noticed a high rate of lung cancer among heavy consumers of mate. This study highlights the role high intake of mate may play in increasing a man's risk of acquiring lung cancer.