
Summary
Marketers are increasingly calling out the phenomenon of "bull spend," where advertising budgets are wasted on metrics that initially appear favorable but do not hold up under scrutiny. This term reflects the frustration of professionals who have previously justified spending on campaigns that ultimately do not deliver meaningful results. The conversation highlights the importance of accountability in marketing expenditures, particularly when it comes to demonstrating real value to financial decision-makers.
The discussion shifts to Alzheimer's disease, which affects over 40 million people globally and remains a major challenge for researchers seeking a cure. The origins of the disease date back to 1901 when Dr. Alois Alzheimer first identified its symptoms. The disease is characterized by the presence of plaques and neurofibrillary tangles in the brain, which disrupt communication between nerve cells and lead to cell death. The progression of Alzheimer's typically begins with short-term memory loss and advances to affect logical thinking, emotional regulation, and eventually, vital functions such as heart rate and breathing.
Current research efforts focus on slowing the disease's progression rather than finding a definitive cure. Treatments aim to mitigate the breakdown of acetylcholine, a crucial neurotransmitter diminished in Alzheimer's patients, and explore vaccines that could prevent the formation of harmful plaques. Despite over a century of study, the exact mechanisms of Alzheimer's remain elusive, underscoring the need for continued research and innovation in the field.
Show Notes
Explore the most common cause of dementia, Alzheimer’s disease, how it affects the brain and scientists’ search for a cure.Uploaded 03-04-14--Alzheimer's disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are still grappling for a cure. Ivan Seah Yu Jun describes how Alzheimer's affects the brain, shedding light on the different phases of this complicated, destructive disease.Lesson by Ivan Seah Yu Jun, animation by STK Films.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: http://ed.ted.com/lessons/what-is-alzheimer-s-disease-ivan-seah-yu-jun Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
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