THE ARISING · DAILY EDITION
The Arising — October 19, 2026
Download the PDF ↓Longevity & Healthspan
Faulty Myelin-Making Brain Cells Linked to Faster Cognitive Decline After 70
Nearly everyone loses some thinking skill in later life, but the pace varies widely from person to person. A new study suggests that one reason may lie in brain cells long seen as purely helpful: the ones that build the insulation around nerve fibers.
Brain health →Sleep Scientists Say Permanent Standard Time Better Fits the Body Clock
If governments stop changing the clocks twice a year, which time should they keep? A new analysis in the Canadian Medical Association Journal (CMAJ) says permanent standard time, because it keeps more morning light in the part of the day when the body clock needs it most.
Sleep →Exercise Lowers Gene DEAF1 to Restore Aging Muscle in Animals
Exercise may protect aging muscle by turning down a single gene, according to a new study in fruit flies and mouse cells. The work is laboratory research, not a human trial, and it did not test when exercise should begin.
Strength and function →Overlooked Peptide P3 May Help Drive Alzheimer's, UC Santa Cruz Chemist Argues
For decades, a small protein fragment called P3 was dismissed as harmless in Alzheimer's disease. A chemist now argues it is "most likely, not an innocent bystander" and may be helping drive the condition.
Brain health →
Markets & Strategy
Rubedo's Topical Drug Cut Skin Epigenetic Age by 2.1 Years, Company Says
Rubedo Life Sciences says a topical drug lowered the epigenetic age of treated patients' skin by 2.1 years on average by one measure after just four weeks, according to Longevity.Technology. The report is a company presentation of a small early trial, and we could not read the original page.
Reading medical evidence →Social Security Sets 3.6% Benefit Increase for 2027, Largest Since 2023
Retiree households will have more money to spend in 2027, but how much of it reaches the market is less clear. The Social Security Administration announced on October 14, 2026, that benefits will rise 3.6% next year, the largest adjustment since the 8.7% increase for 2023.
Care and connection →Unemployed Workers 55 to 64 Average Over Eight Months Without a Job
Half of unemployed Americans aged 55 to 64 had been out of work for about three months in September. Yet the group's average spell without a job ran past eight months. That gap suggests the longest searches among older job seekers may be getting longer, according to Business Insider.
Longevity in daily life →Alector Prices $75 Million Stock Offering to Fund Neurodegeneration Work
Alector priced an underwritten stock offering at a premium to the prior close on October 16, 2026. This account rests on research desk notes about the company's SEC press release; the release page itself could not be retrieved, so every detail below is attributed to the source as summarized in those notes and has not been checked against the full text.
Brain health →CMS Proposes Medicare Advantage Directory and Part D PBM Rules
Medicare Advantage plans may soon face new provider directory requirements, and pharmacy benefit managers in Part D may face new compensation and transparency rules. The Centers for Medicare & Medicaid Services (CMS) released a proposed rule in the week of October 16, 2026, that covers both. The specific provisions, including section numbers, update schedules, accuracy scores, copay amounts, payment standards, dates and the comment deadline, need confirmation from the CMS proposed rule or Federal Register notice. The page we relied on does not state them.
Care and connection →