Currants vs blackcurrants: Products labeled as 'Currants' are often small-sized grapes have been dried. Blackcurrants are a different food altogether: ribes nigrum — they are berries, not grapes.
Articles by Dr Greger:
Videos by Dr Greger:
(3 mins) Transcript. Dr Greger's summary: "Blueberries may help protect against age-related macular degeneration, and black currants may help halt the progression of glaucoma."
(3 mins) Transcript. Dr Greger's summary: "Certain berries may help relieve visual fatigue associated with staring at a computer screen all day."