The study also found that girls and young women were more likely than boys and young men to have coenzyme Q10 deficiencies. Boys and young men were more likely to have vitamin D deficiency. Patients with chronic migraines were more likely to have coenzyme Q10 and riboflavin deficiencies than patients with episodic migraines, the study found.
ThisOldHouse.com estimates it took two people five hours and six bags ($150-$180) of material to resurface a 9'x27' driveway and a 3'x18' walkway (about 300 square feet). Renting a pressure washer to clean the existing concrete before resurfacing can add $40-$75 to the total DIY costs.
1 Patching a concrete driveway, patio, walkway or basement/garage floor can be a fairly straightforward do-it-yourself project. 2  Patching compounds can cost $3-$10 for a small tube, tub or pail; or $5-$30 for a larger bucket or bag, depending on the quantity and type of materials. DIY resurfacing materials can cost $2-$5 or more a square foot; ThisOldHouse.com estimates it took two people five hours and six bags ($150-$180) of material to resurface about 300 square feet of driveway and walkway.