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Note: Some totals don't add to 100% due to rounding; Data: SurveyMonkey poll of 2,360 U.S. adults conducted May 5-8, 2019 with a margin of error of ±3 percentage points. Poll methodology; Chart: Axios Visuals

Memory supplements claiming to ward off cognitive decline abound but there is so far little evidence they're effective.

The big picture: The business of memory supplements — from branded regimens to vitamins — pulled in $3.2 billion globally in 2016.

"People are willing to pay and do anything to preserve their brains ... but we don’t have the knowledge yet to give really effective interventions that change that trajectory as much as people think."
— Joanna Hellmuth, neurologist, University of California, San Francisco

"The problem is that a lot of the interventions being marketed directly to consumers don’t do rigorous studies of the outcomes," says Hellmuth, who recently wrote about the "rise of pseudomedicine" for brain health.

  • There are also questions about the safety of supplements, the Wall Street Journal reports.
  • The Food and Drug Administration recently cited 17 companies for illegally selling products "that claim to prevent, treat or cure Alzheimer’s disease and a number of other serious diseases and health conditions."

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Updated 2 hours ago - Science

Texas and Louisiana face fresh flood threat from Tropical Storm Beta

Tropical Storm Beta slowly approaching the Texas coast on Monday. Photo: National Weather Service/Twitter

Tropical Storm Beta was dumping heavy rains over Texas as it churned its way inland overnight, bringing the risk of "life-threatening storm surge" and flooding to parts of the state and Louisiana, the National Hurricane Center said.

What's happening: The slow-moving storm was causing coastal flooding along areas including the bays near Houston and Galveston in Texas Monday, per the National Weather Service. Texas Gov. Greg Abbott (R) made a disaster declaration and Louisiana Gov. John Bel Edwards (D) declared a state of emergency Monday.

Updated 2 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 3 a.m. ET: 31,328,238 — Total deaths: 964,839— Total recoveries: 21,503,496Map.
  2. U.S.: Total confirmed cases as of 3 a.m. ET: 6,857,967 — Total deaths: 199,884 — Total recoveries: 2,615,949 — Total tests: 95,841,281Map.
  3. Health: CDC says it mistakenly published guidance about COVID-19 spreading through air.
  4. Media: Conservative blogger who spread COVID-19 misinformation worked for Fauci's agency.
  5. Politics: House Democrats file legislation to fund government through Dec. 11.
  6. World: U.K. upgrades COVID alert level as Europe sees worrying rise in infections — "The Wake-Up Call" warns the West about the consequences of mishandling a pandemic.

Louisville police declare state of emergency as Breonna Taylor decision looms

A demonstrator holds up a sign of Breonna Taylor during a protest in Louisville, Kentucky. Photo: Brandon Bell/Getty Images

The Louisville police chief declared in a memo obtained by news outlets a "state of emergency" for the department on Monday to prepare for Kentucky Attorney General Daniel Cameron's expected announcement on the Breonna Taylor case.

Of note: Louisville has witnessed more than 115 days of protests over the police killing of Taylor, an unarmed Black woman, with calls for all the officers involved to be charged.

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