Brain & Nervous System - Cleveland Clinic

Oversized bottle of medication, with chaotic lines changing to steady lines, and silouhette

October 1, 2026/Brain & Nervous System

Ritalin vs. Adderall: Is One Better Than the Other?

While the ADHD medications are similar, some differences may make one more effective for you than the other

Hands holding up left and right brain, with left brain characteristics and right brain characteristics around each side

September 29, 2026/Brain & Nervous System

Left Brain vs. Right Brain: What’s the Difference?

Your brain’s left and right hemispheres each have some specific jobs, but they’re constantly working together

Hand flipping over a dice that says 8 after the word DELTA on preceding die

September 25, 2026/Brain & Nervous System

What Is Delta-8 THC?

This intoxicating cannabinoid may be marketed as mild, but it can still carry risks

September 17, 2026/Brain & Nervous System

Delta-8 THC vs. Delta-9 THC: What’s the Difference?

They have similar effects, but differ in how they’re made, used and understood

Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy

Two people sitting on couch, having coffee, laughing and chatting

September 15, 2026/Brain & Nervous System

Why Your Social Life Matters When You’re Living With MCI or Early Alzheimer’s

Socializing is linked to a healthier and more resilient brain, while loneliness can lead to an increase in dementia symptoms

Person sitting against oversized medicine bottles, drinking from a mug, near giant clock, with clouds floating above

September 9, 2026/Brain & Nervous System

What’s the Difference Between Delirium and Dementia?

Delirium is a sudden change in mental status, while dementia is a long-term, progressive decline

Healthcare provider talking with patient who is holding the back of their head

September 3, 2026/Brain & Nervous System

Is It True That You Can’t Go To Sleep With a Concussion?

It’s a myth that you should avoid sleep (or have someone wake up throughout the night) after a head injury

older person, sitting at table with head in hand, looking agitated

September 2, 2026/Brain & Nervous System

Alzheimer’s Agitation: Why It Happens and What Can Help

Memory gaps can trigger uncertainty and confusion, which can cause this common symptom

Older person standing, doing stretches in their living room

August 28, 2026/Brain & Nervous System

Alzheimer’s Coping Strategies When You’re Living With Other Conditions

Simplify everyday care, streamline priorities and ask for help

Person sitting at dining room table doing a crossword puzzle

August 17, 2026/Brain & Nervous System

How To Design a Morning Routine To Help Manage Parkinson’s Symptoms

Start with taking your medication, then move on to gentle movements and simple tasks