It's important to keep your baby at a comfortable temperature. If your baby is too cold, they'll cry to let you know.
Taking a baby/child first aid class can teach you how to handle situations like choking, insect bites, and CPR. It could literally save your child's life.
Make sure your car seat is clicked into a base or stroller before putting your baby in it. If it's not clicked in, it's not at a safe incline for your baby to sleep in.
Long human hairs can wrap around your baby's appendages too tightly, cutting off circulation and causing them to cry.