This move had a decisive impact on the shaping of a national job safety and health program in 1967, as the Departments of Labor and HEW promoted their competing proposals. The Bureau of the Budget accepted the Department of Labor's recommendations.
After I walk for about a minute, my legs are so tired... Q. After I walk for about a minute, my legs are so tired it feels like I've walked for miles. My doctor says it's because of poor circulation in my legs and ordered a medication, pentoxifylline, that caused dizziness, so I'm afraid to take it.
Although you might think scientists figured out a long time ago why muscles get tired, you would be mistaken. Until recently, there was no straightforward explanation for why your arms and legs feel like limp noodles after vigorous exercise like lifting weights, doing aerobics or climbing a flight of stairs.