WEDNESDAY, May 18, 2022 (HealthDay News) -- As many as 50 million Americans deal with acne. The blemishes can be painful and, for some, embarrassing.Now, researchers may have found a new weapon to fight acne — one without harsh side effects.A study in Germany has pinpointed omega-3 fatty acids — found in fish oil, wild salmon, nuts and seeds — as a nutrient helpful for reducing acne. Among 100 participants with acne, about 94% had low levels of the fatty acid in their blood, the study discovered. Many also had higher levels of a hormone known to stimulate acne production."As someone who loves to treat acne and someone who performs clinical trials, this is a very interesting study," said Dr. Sandra Johnson, a dermatologist in Fort Smith, Ark. Johnson was not involved in the study....