new smokeless tobacco products FDA should extend the scope of its proposed cigar flavor standard to prohibit flavors in all products, including e-cigarettes and tobacco, to make them less appealing to adolescents and young New FDA guidelines on risks

The peripheral perfusion index (PPI) is the difference between the pulsatile and nonpulsatile portion of the pulse wave, measured by plethysmography

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With restrictions on the sales and marketing of cigarettes, tobacco companies have expanded and promoted non-cigarette tobacco products (sometimes called other tobacco products or OTP)

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