He's had malaria, bilharzia (a tropical disease caused by parasitic worms picked up from snails), leishmaniasis (a parasitic disease spread by the bite of a sandfly), roundworm, botflies and ringworm.
Some things, however, are virtually unrecognizable once they've been frozen and thawed. In other words, you can freeze whatever you want, and use these foods frozen, but some foods don't hold up after being defrosted. Here are 11 things you should not keep in the freezer. Freezing food is a delicate matter. No matter what you're freezing, make sure to use it within nine months or so (yes, that means cleaning out your freezer), and also make sure to defrost it correctly.
Freezing retards the growth of microorganisms and enzymes that cause food spoilage. For best flavor and texture, home-frozen foods should be used within 6 to 9 months. Never store more than 2 or 3 pounds of food per cubic foot of freezer capacity at one time. Otherwise, you will overload the freezer, making it more difficult to maintain the recommended 0 degrees F temperature.