Conversation so far:
What are the most common spices used in cooking?
The infographic above shows that, surprisingly, cumin is the most popular spice in the world, and coriander (or cilantro) is the most commonly used herb. In Europe and Africa, garlic is the most common among all dishes considered, and—no surprises here—oregano is common in the Mediterranean regions.
How are spices different from herbs?
Herbs and Spices come from Different parts of the plantAn herb is the green, leafy part of the plant. A spice can come from the root, stem, seed, fruit, flower or bark of the tree or plant.
Why do spices taste good?
Herbs and spices add taste to dishes which increases their complexity and make them more “interesting” to us. “Taste,” in this sense means adding notes of sweet, salty, sour, bitter, or umami.
Where do most spices come from?
Most spices are grown in the tropical regions of the world, with some thriving in the cool misty highlands. Many of the seed spices come from more temperate areas, such as coriander seed, which is grown in Northern India, Africa and the wheat producing areas of South Australia and Western New South Wales.

Question: What cuisines use them heavily?
Self-contained rewrite: What cuisines use spices heavily?