A university study in Turkey found that people with type 2 diabetes who ate 5 grams of raw organic honey daily for four months reduced their Haemoglobin A1c (HbA1c) level. A 2010 study in the British Journal of Nutrition found that oligonol, found in lychee fruits, reduced liver damage associated with diabetes.
A 2020 study at Oxford University, UK, found that compared to antibiotics and cough medicine, raw organic honey reduced cough intensity and frequency. Raw organic honey contains glucose oxidase enzymes which convert the glucose in honey into gluconic acid, hydrogen peroxide, and free radicals that destroy bacteria. Bacteria cannot survive in hydrogen peroxide. That is where the antibacterial power of raw organic honey comes from.
In a study published in 2017, researchers found that daily intake of raw organic honey reduced both the intensity and the frequency of migraine headaches. The research, which was published in the Journal of Headache Pain, involved 50 people with migraine headaches.
A study published in the Journal of Dermatological Treatment found raw organic honey to be an effective remedy for vitiligo. 55% of patients in the study saw an improvement in their pigmentation after taking 2g of raw organic honey per day.
An April 2011 paper published in the Asian Pacific Journal of Tropical Biomedicine describes the three things that raw honey contains which can help to reduce acne.