Recently I have been cooking meals and freezing them for a very sick friend. I like to do my part in helping others feel comfort, peace and love. In doing this I have used foil pans a few times for convenience both for my friend and myself. This got me wondering about aluminum foil though so I did a little research and this is what I found.
Aluminum foil is convenient to use when we bake or grill foods in allowing for quick clean-up and keeping moisture in but here is why you should stop using it.

Our bodies can excrete small amounts of aluminum efficiently but exposure to excessive amounts are harmful. Studies have shown that too much aluminum in our bodies increase the risk of Alzheimer’s disease, dementia, anemia, bone disease and dialysis encephalopathy. Less common sensitivities resulting in recurring eczema come from continuous application of aluminum containing antiperspirants, topical solutions and occupational exposure to aluminum dust.

Aluminum exposure increases depending on the cooking temperature, length of cooking time and type of food being cooked. Higher temperatures raise the amount of aluminum leaching into the food at double the rate. Higher acid foods allow aluminum to leach into food at a higher concentration as does added acids and salts. Red meat has a higher pH than white meats, therefor will leach more aluminum into the food. Chicken breast meat has been shown to have a higher concentration than the darker meat. The same goes for baked or grilled fish in aluminum, and also increases with acidic additives and marinades. Also, it doesn’t matter if you use the shiny side or the dull side, the results are the same in all applications.

Aluminum foil used in cooking provides an easy route for aluminum to enter your body. Higher temperatures and higher acids increase the amount of aluminum you will ingest.
Parchment paper is a better alternative but it’s not completely innocent either. Parchment paper is coated with silicone and is put through a sulfuric acid bath and/or zinc chloride. If you use parchment, use it only occasionally and choose unbleached paper. You can also find nontoxic baking/cooking supplies at If You Care

Tips to flush your system of aluminum:
Silica for aluminum flush [different from silicone – silicone is a synthetic polymer of silicon-unhealthy for us]
Silica (silicon dioxide) is a compound of silicon and oxygen (Si02)
• Silica can also be found in certain foods including cucumbers, oats, brown rice, wheat, strawberries, onions, avocados, and root vegetables.
• The silica content in natural waters is commonly in the 5 to 25 mg/L range, although concentrations over 100mg/L occur in some areas.

Resources| http://www.electrochemsci.org/papers/vol7/7054498.pdf
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2782734/