DNA (deoxyribonucleic acid) The molecule that carries genetic information in all living systems (see genetic code). The DNA molecule is formed in the shape of a double helix from a great number of smaller molecules (see nucleotides). The workings of the DNA molecule provide the most fundamental explanation of the laws of genetics.
Getting an epidural. Watch one mom in labor get an epidural for pain relief. The medication is usually a combination of a local anesthetic and a narcotic. Local anesthetics block sensations of pain, touch, movement, and temperature, and narcotics blunt pain without affecting your ability to move your legs.
Epidural Blood Patch. An epidural blood patch is performed to relieve a headache caused by a dural puncture that has not responded with bedrest, increased fluid intake and analgesics. Complications are rare, but can include dural puncture with headache, temporary back pain or no relief of headache. You will require a ride home.