When sea creatures first began crawling and slithering onto land about 385 million years ago, they carried with them their body armor: Scales. Fossil evidence showed that the earliest land animals retained scales as a protective feature as they evolved to flourish on terra firma.
Want to avoid cardiovascular ailments — including heart disease, congestive heart failure and stroke — as you age? A good plan would be to make sure your weekly menu includes one to two servings a week — ideally 104 a year — of fish.
Omega-3 fatty acid found in oily fish — such as salmon, mackerel and sardines — reduces production of IgE, the antibodies that trigger allergic reactions and asthma symptoms in people with milder cases of asthma.