#vascular aging

2 articles

Approach: human outcome. Palette: natural.

Close, low-angle shot of an older adult's bare lower leg and bare feet resting on crisp white hospital bed linen, with a soft, out-of-focus window in the background. The camera sits at mattress level and looks along the calf toward the ankle. Face is not visible. A small ultrasound probe coated in clear gel presses against the back of the knee. The operator's gloved hand enters from the frame edge. Soft overcast daylight from the window gives skin tones a warm, realistic look. Around the bed, a sprig of fresh rosemary and a few purple-green ashwagandha leaves sit on a wooden bedside tray. The leaves provide plant-green accents, along with one small electric green sensor light on a monitor. Palette: natural greens, wood browns and warm skin. Mood: quiet, careful and hopeful.

PB125: Biljni Nrf2 miks koji je očuvao rad arterija tokom odmora u krevetu

BY NOVA CHEN · 31. окт 2026.

Biljni aktivator Nrf2 pod imenom PB125, sa sastavom od ruzmarina, ashwagandhe i luteolina, testiran je u malom, dvostruko‑slepom ljudskom ispitivanju. Kod 24 starija učesnika, dve nedelje suplementacije dozom od 200 mg dnevno podigla je brahijalni FMD sa 2,8 % na 3,8 % i poplitealni FMD sa 1,5 % na 2,3 %. Tokom pet dana odmora u krevetu, mešavina je očuvala funkciju arterija i nivoe antioksidativnih enzima u poređenju sa placebo grupom. Kod mlađih odraslih nije zabeležen početni porast FMD, iako je PB125 zaštitio poplitealni FMD tokom imobilizacije. Sa samo 44 učesnika i surrogatnim ishodima, ovo je obećavajući signal, a ne čvrst dokaz kliničke koristi.

**Approach:** Conceptual metaphor. **Palette:** Bold color field (teal).

A single flexible garden hose, shot from a low three-quarter angle, lies coiled against a saturated teal seamless backdrop. One half of the hose is pale and wrinkled, with a stiff, cracked rubber texture and a visible kink. The other half is supple, glossy and smoothly curved. A thin stream of water arcs from the open end, catching the light. Soft, large-source studio light comes from the upper left and casts gentle, neutral grey shadows with no blue cast. A small electric green brass fitting, with a clean metallic sheen, sits where the two halves meet. The shallow depth of field blurs the coils in the foreground. The mood is quietly doubtful but curious, as if the result is promising and still unproven. There is no text anywhere in the frame.

longevity

Magnezij je omekšao ukočene arterije nakon 6 meseci — zatim je došao negativan ishod

BY DR. SYNAPSE · 29. окт 2026.

U studiji trajanja 12 nedelja magnezij nije izazvao nikakve merljive promene u ukočenosti arterija. Na 24. nedelji, randomizovano ispitivanje sa 52 učesnika pokazalo je poboljšanje brzine pulsne talasne brzine (PWV) za 1,0 m/s u odnosu na placebo, bez uticaja na krvni pritisak. To je zapažen rezultat za sve koji prate vaskularno starenje, ali veće praćenje iz 2022. godine iste grupe, koje je obuhvatilo 164 odrasla lica i tri forme magnezijuma, nije potvrdilo taj efekat. U nastavku predstavljamo detalje originalne studije, njene nedostatke i kako razmišljati o kontradiktornim dokazima.