It’s that time of year: the crisp air and back-to-school mentality revitalize us to dive back into our lives and work with a renewed sense of purpose and vitality. Tucked between summer barbecues and family holidays, the fall presents a golden opportunity: to clear out leftover toxins from rooftop cocktail parties while bolstering the immune system for the coming winter. Here are our four top tips - plus a bonus for those with allergies - to optimize your health this fall.