Watch 'Secrets of Your Mind': The Brain and Love
More 'Nightline' Brain Stories
Conjoined Twins Share a Brain The Twins Who Share a Brain premieres Tuesday on the National Geographic Channel
At 47 years old, Scott Bolzan celebrates the birthday of his one-year-old memory on December 17, 2009. This day marked the year anniversary of the fateful accident, which wiped him of his life's memories.
Amnesiac Can't Remember Last 46 Years Wife uses photos to help man re-learn life after he hit head in workplace fall.
When Your Dad Is a Mass Killer Son of D.C. sniper John Allen Muhammad lives in infamous dad's shadow.
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Blackout! Research Explores Adverse Effects of Football's Hard Hits Research finds that high-impact football may lead to brain injuries.
Want to Lose Weight? Have Brain Surgery
EXCLUSIVE: Obese woman gets deep brain stimulation to control hunger pangs.
The Man Who Can't Forget
Go inside the mind of a man who remembers everything.
Early Alzheimer's Patient Loses Home
Prominent doctor's loss shows vulnerability of those who are not diagnosed.
Benoit's Dad: 'He Was a Kind & Gentle Man'
Benoit's dad, doctors say brain trauma influenced suicide, murder of family.
 
The Brain and Hunger
The Brain and Trauma
Kristy MacDonald, left, and her daughter Mychaela share a hug before the single mother with epilepsy undergoes high-risk surgery to remove a piece of her brain in the hopes that it will stop her seizures.
Mom Gives Seizures a Piece of Her Mind Surgeons removed a piece of brain from a single mother to stop her seizures.
The Brain and Violence
The Brain and Love
Mike and Alanna Clear embarked on an extreme motorcycle trip across 16 countries to test their love.
Could Your Relationship Survive 20K Miles? A couple undergoes brain scans before, after their trip. Did their love survive?
Can Love Survive a 20,000-Mile Journey? Mike and Alanna Clear tested their love with brain scans and a 20,000-mile trip
Matt and Trish Frerking on their wedding day.
Emotions Literally Paralyze Man Love paralyzes Matt Frerking, who suffers from narcolepsy with cataplexy.
Still Steamy Over Your McDreamy? The Passionate Love Scale: How Steamy Is Your Romance?
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