Bywater Bakery in New Orleans is hosting a summertime blood drive this weekend, offering sweet rewards to donors while addressing a critical need for blood donations. "You can't manufacture blood; it saves lives, and the only way to do that is human to human, and that's really powerful and precious," said Chaya Conrad, owner of Bywater Bakery. The event is especially meaningful for Conrad, as it takes place just one day before Father's Day. "I lost my dad to blood cancer a little over a year ago.