A cycle in which people restrict calories and lose weight, regain some or all of the weight, and then go on a diet again is known as yo-yo dieting.
Indicate whether the statement is true or false
Question 2
According to studies in psychoneuroimmunolo gy, how does long-term stress affect immunity?
A) Stress only affects short-term immune system function.
B) Long-term stress impairs the body's ability to fight infection.
C) Long-term stress affects cognitive function and memory.
D) The immune system's response to stress is determined by genetics.
Leaf structure and its relationship to the C4 cycle
The sexual cycle of flowering plants involves alternation of sporophyte and gametophyte generations.
Alternation of generations, the plant life cycle
The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199
The Sulfur Cycle
Metabolic syndromes: Dealing with Weight Extremes