From the USDA website:
Clostridium
Botulinum -Bacteria produce a toxin that causes illness. Improperly canned foods, garlic in oil, vacuum-packed and tightly wrapped food
Toxin affects the nervous system. Symptoms usually appear 18 to 36 hours, but can sometimes appear as few as 4 hours or as many as 8 days after eating; double vision, droopy eyelids, trouble speaking and swallowing, and difficulty breathing. Fatal in 3 to 10 days if not treated
I also remember preserved garlic as a chrismas present, killed people on the east coast 15 years ago. This might be a myth as I can can nothing about it.
yes you should be concerned about mold on the skin. they are not natural flora.
Yes, make sure that the garlic is in fact roasted or it will mold.
because it's not normal for someone to have mold on skin...
To prevent the growth of blue mold on garlic, store it in a cool, dry place with good air circulation. Avoid storing garlic in a damp or humid environment, and make sure it is not exposed to moisture. Additionally, inspect garlic regularly for any signs of mold and discard any affected cloves to prevent the spread of the mold.
Although garlic contains allicin, a powerful antibiotic and fungicide, that gives garlic a great reputation as a home remedy there are some varieties of mold capable of invading garlic. Common mold infections include penicillium molds and black mold. Such molds render the clove or bulb of garlic unfit for human consumption, as said mold or fungi grow develop a strong resistance to it's antibiotics. Unless you are talking about mold or fungi know to be edible (corn smut, blue cheese mold), just avoid them, regardless of where they grow.
You can tell if a garlic clove is bad by checking for signs of mold, discoloration, or a strong, unpleasant odor. If the clove feels soft or mushy, it is likely spoiled and should be discarded.
People are concerned about mold because it can make you very ill, but if its something you can eat that has mold on it, e.g cheese then that's alright, but say if you had a loaf of bread that has mold on it, and you ate it, you would be ill for the rest of the day.
Yes, garlic can expire. You can tell if garlic has gone bad by checking for signs of mold, discoloration, or a strong, unpleasant odor.
Harmless black mold in the attic is generally not a cause for immediate concern, but it should be monitored and addressed to prevent potential health risks or damage to the home.
You'll be fine if you didn't eat lots of mold (and honestly, who would do that?). If you worry, you can eat lots of garlic, which is a natural fungicide.
Black Mold grows in damp conditions. Mold won't follow you from place to place. It grows in places where there are humid conditions or water damage. You should have the new apartment checked first if you're concerned.
Yellow garlic is not necessarily bad for consumption. The color change in garlic can be due to natural aging or environmental factors, but it does not necessarily indicate that the garlic is unsafe to eat. It is still safe to consume as long as it does not show signs of mold or spoilage.