The coral reefs existing today began growing as early as 50 million years ago. Most established coral reefs are between 5,000 and 10,000 years old. Although size can be a good indicator of the age of a coral reef, it is not a certain indicator.he coral reefs existing today began growing as early as 50 million years ago. Most established coral reefs are between 5,000 and 10,000 years old. Although size can be a good indicator of the age of a coral reef, it is not a certain indicator.
Excessive flatulence is generally caused by bacteria that live in the intestines. Another, less common, cause is the swallowing of excessive air. Intestinal bacteria produce different amounts of gas depending on what you eat. Sugars and polysaccharides tend to yield flatulence. If excessive flatulence is a problem, adjusting your diet can make a big difference.
Improper food combining is one of the primary factors that cause gas, flatulence, heartburn, and upset stomach. What's worse, poor digestion can also contribute to malnutrition, even if you think you're eating a decent diet. Improper food combining is one of the primary factors that cause gas, flatulence, heartburn, and upset stomach. 2  Whatâs worse, the resulting poor digestion can also contribute to malnutrition, even if you think youâre eating a decent diet.