Louis Pasteur helped develop this technique which prevented many dangerous and fatal techniques. It involves heating milk to a temperature that kills most of the dangerous bacteria; so their levels are safe. This technique does not kill all the bacteria, so milk can spoil if left out of the refrigerator.
How about some perspective. If you believe we should be drinking raw cow's milk, rather than processing it to remove unhealthy bacteria, then, using that same logic we should only eat raw meat. And raw chicken. And raw fish (all the time, not just with sushi). Raw snails! The list goes on. Indeed, "logically" when man evolved 5-10,000 years ago we did eat raw meat when fire was not invented. Of course we did get parasitic and bacterial diseases; but again, with the raw milk logic... On the other hand cow's milk (goat milk, etc) was NOT a natural part of our diet until until goats and cattle were domesticated. So why drink milk at all?
Pasteurized milk has the same nutritive value as "raw" milk. If you want the extra fat and particles in milk buy non-homogenized milk.
Fresh milk, within minutes of milking the cow, may be safe, but there is no reason to drink it. Remember also, cow's milk is made for baby cows.
Listerosis is a serious bacterial disease, especially in pregnancy where it frequently leads to fetal death, even in the absence of maternal symptoms. Raw milk used to be the main source before pasteurization.
Raw milk is milk from cows, sheep, or goats that has not been pasteurized to kill harmful bacteria. This raw, unpasteurized milk can carry dangerous bacteria such as Salmonella, E. coli, and Listeria, which are responsible for causing numerous foodborne illnesses.
These harmful bacteria can seriously affect the health of anyone who drinks raw milk, or eats foods made from raw milk. However, the bacteria in raw milk can be especially dangerous to people with weakened immune systems, older adults, pregnant women, and children. In fact, the CDC analysis found that foodborne illness from raw milk especially affected children and teenagers.
Pasteurization is a process that kills harmful bacteria by heating milk to a specific temperature for a set period of time. First developed by Louis Pasteur in 1864, pasteurization kills harmful organisms responsible for such diseases as listeriosis, typhoid fever, tuberculosis, diphtheria, and brucellosis.
• Pasteurizing milk DOES NOT cause lactose intolerance and allergic reactions. Both raw milk and pasteurized milk can cause allergic reactions in people sensitive to milk proteins.
• Raw milk DOES NOT kill dangerous pathogens by itself.
• Pasteurization DOES NOT reduce milk's nutritional value.
• Pasteurization DOES NOT mean that it is safe to leave milk out of the refrigerator for extended time, particularly after it has been opened.
• Pasteurization DOES kill harmful bacteria.
• Pasteurization DOES save lives.
The Dangers of Listeria and Pregnancy
Pregnant women run a serious risk of becoming ill from the bacteria Listeria which can cause miscarriage, fetal death or illness or death of a newborn. If you are pregnant, consuming raw milk - or foods made from raw milk, such as Mexican-style cheese like Queso Blanco or Queso Fresco - can harm your baby even if you don't feel sick.
Okay to Eat
• Pasteurized milk or cream
• Hard cheeses such as cheddar, and extra hard grating cheeses such as Parmesan
• Soft cheeses, such as Brie, Camembert, blue-veined cheeses, and Mexican-style soft cheeses such as Queso Fresco, Panela, Asadero, and Queso Blanco made from pasteurized milk
• Processed cheeses
• Cream, cottage, and Ricotta cheese made from pasteurized milk
• Yogurt made from pasteurized milk
• Pudding made from pasteurized milk
• Ice cream or frozen yogurt made from pasteurized milk
Unsafe to Eat
• Unpasteurized milk or cream
• Soft cheeses, such as Brie and Camembert, and Mexican-style soft cheeses such as Queso Fresco, Panela, Asadero, and Queso Blanco made from unpasteurized milk
• Yogurt made from unpasteurized milk
• Pudding made from unpasteurized milk
• Ice cream or frozen yogurt made from unpasteurized milk
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