unfortunately there is no simple answer to this question some people can eat some sugar without harm while others should avoid it as much as possible according to the american heart association aha the maximum amount of added sugars you should eat in a day are 7 men 150 calories per day 37 5 grams or 9 teaspoons
Creating Cell Theory. Scientist Matthias Schleiden discovered in 1838, that all plants have cells, which are called plant cells. Theodor Schwannn found that all animals are also made up of cells, which are called animal cells. These are two types of the many different kinds of cells.
The cell was first discovered by Robert Hooke in 1665 using a microscope. The first cell theory is credited to the work of Theodor Schwann and Matthias Jakob Schleiden in the 1830s.ver a century later, many debates about cells began amongst scientists. Most of these debates involved the nature of cellular regeneration, and the idea of cells as a fundamental unit of life. Cell theory was eventually formulated in 1838.