This article reminds me that in preantibiotic days, tuberculosis patients were put on a fresh-air-and-sunshine regimen. Could the vitamin D so acquired account for the cures this system sometimes produced?
Nancy Axford Sacramento, Calif.
Researcher John J. Cannell points to TB sanitariums as anecdotal evidence that sunlight fights infections.
Does the vitamin D in milk help protect against infection?
Graeme McRae Palmdale, Calif.
Probably not, according to Michael Holick of Boston University, who has measured the vitamin’s content in milk. Far better, he says, would be cod-liver oil, with “a whopping 1,360 [international units of vitamin D] per tablespoon.”
From the Nature Index
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