Astaxanthin is a reddish pigment that belongs to a group of chemicals called carotenoids. It occurs naturally in certain algae and causes the pink or red color in salmon, trout, lobster, shrimp, and other seafood. Indigestion (dyspepsia). 2  Early research shows that taking astaxanthin daily for 4 weeks does not reduce stomach pain, indigestion or the amount of bacteria (H. pylori) in the stomach that may cause stomach pain.
James-Lange Theory of Emotion was posed by both James and Lang at approximately the same time (hence the name James-Lange) and suggests emotions are a consequence of our physiological responses to external stimuli followed by identification of the emotion by examining the physical responses.
Dalton's atomic theory was the first complete attempt to describe all matter in terms of atoms and their properties. Dalton based his theory on the law of conservation of mass and the law of constant composition. The first part of his theory states that all matter is made of atoms, which are indivisible. The second part of the theory says all atoms of a given element are identical in mass and properties.