Caraway is the seed of the caraway plant.

Dr. Oz said to eat caraway seeds after a meal for digestion and bloating. I tried them and they taste gross. I chew them for about 5 minutes until they are fine enough to swallow. Don't think I will get use to eating them like this.

with a hammer

Shaajira

Caraway is considered useful for activating the glands, besides increasing the action of the kidneys. It has been characterized as the "house cleaner" for the body. Caraway Seed is known for its diuretic property, as it increases the frequency and quantity of urination, reduces fat promotes an infection-free urinary tract. It also has the action of removing uric acid, and generally cleansing the toxins from the kidneys.

Probably not. However cumin is sometimes a good substitute.

how do you use black caraway seed

There is caraway seed oil and it is specifically used to provide relief in heartburn, bloating, stomach spasm and loss of appetite. It is also taken by nursing mothers to increase the flow of breast milk. It is also present in mouthwashes. it is generally not used for cooking, but caraway seeds are surely used as spice.