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“Nausea started to increase. Dizziness started to increase. They call it chemo brain, where you’re a bit foggy — that started to increase. My days of being able to get up and walk around and be active started to decrease.”

“I was hospitalized three separate times for extensive periods,” he says, and constantly battled chemo “brain fog.”

Patients undergoing chemotherapy often experience cognitive effects such as memory impairment and difficulty concentrating -- a condition commonly known as "chemo brain."

MIT researchers have now shown that a noninvasive treatment that stimulates gamma frequency brain waves may hold promise for treating chemo brain.

"Chemo brain caught our attention because it is extremely common, and there is quite a lot of research on what the brain is like following chemotherapy treatment," Tsai says.