Atherosclerosis 26(3):379386 Steiner M, Khan AH, Holbert D, Lin R (1996) A double-blind crossover study in moderately hypercholesterolemic men that compared the effect of aged garlic extract and placebo administration on blood lipids
An explanation for the skewed gender distribution in this studyalso found in other research in PCSmay be that many genes for the immune system lie on the X chromosome so that men are more likely to have severe Covid-19 infections, but women are more likely to have more severe PCS symptoms that last longer 7,49
Other topical treatments include salicylic acid, lab-made forms of vitamin D, and nonsteroidal topicals such as roflumilast (Zoryve) and tapinarof (Vtama)
Phase Initial 4 weeks Daily Dose 300 mcg Volume 0.18 mL Units (U-100) 18 units Phase Maintenance (weeks 5-12) Daily Dose 500 mcg Volume 0.30 mL Units (U-100) 30 units Phase Optional extension Daily Dose 300-500 mcg Volume 0.18-0.30 mL Units (U-100) 18-30 units This summarizes the published research-context dose range (commonly cited 300-500 mcg/day)
In contrast, sterile water is often used for one-time injections or procedures where additives could be problematic
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