Ann Intern Med 136:270279 Hersh CP, Dahl M, Ly NP, Berkey CS, Nordestgaard BG, Silverman EK (2004) Chronic obstructive pulmonary disease in alpha1-antitrypsin PI MZ heterozygotes: a meta-analysis
Many have color-changing petals that open green and then change to dark blush rose during flowering
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A small cuticle in a grasshoppers knee acts as a spring that lets it catapult its body into the air
While quitting earlier in life yields more significant health benefits, quitting smoking at any age improves health