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After 20 minutes , your heart rate and blood pressure return to normal After 8 hours , the levels of nicotine and carbon monoxide in your blood drop significantly and the oxygen levels rise After 1 day your heart and lungs start to repair themselves and your body starts to clear out the toxins found in cigarette smoke After 2 days , your body is clear of nicotine

For those with higher tolerance they may feel more stimulated or relaxed, with an increased heart rate, better ability to focus, and a reduced appetite

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These claims were later disproved, and the brand was withdrawn by the early 1970s