Interesting. The article claims 1. Tiny hairs on blades of grass, and 2. Allergy to grass pollen. What they don't mention is 3. Weed killer, which has caused sickness in golfers who lick their golf balls. One weed killer contained agent orange (1997)<p><a href="https://www.upi.com/Archives/1997/05/14/Poor-golf-hygiene-leads-to-liver-disease/8823863582400/" rel="nofollow">https://www.upi.com/Archives/1997/05/14/Poor-golf-hygiene-le...</a>