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Sept 15 Tariff Shift: What's Actually Changing on Canadian Goods (And What Isn't)

  Published September 12, 2026 At 12:01 a.m. ET on Tuesday, September 15, a new round of U.S. tariff changes takes effect on Canadian goods. If you've seen headlines calling this a "new 50% tariff on Canadian steel, aluminum and paper," here's the more accurate story: it isn't a new tariff at all. It's the U.S. reshuffling which products fall under a 50% tariff that's already been in place since August 22 — adding some categories, removing others, on the same day. Here's what's actually happening, and why it matters more to Canadian manufacturers and cross-border shoppers than to your everyday grocery bill. The tariff this modifies Back on August 22, 2026, the U.S. imposed a 50% tariff under Section 338 of the Tariff Act of 1930 on roughly $20 billion CAD of Canadian goods. The White House framed it as retaliation for Canadian "discrimination" against U.S. alcoholic beverages, dairy, and motor vehicles — three separate proclamations, eac...

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Alzheimer’s vaccines get a boost from new drug approval

 

After decades of disappointment and controversy, the field of Alzheimer’s disease research has finally seen a breakthrough with the approval of the first drug that targets the underlying pathology of the condition. 

Aducanumab, a monoclonal antibody that clears amyloid plaques from the brain, was granted accelerated approval by the US Food and Drug Administration in June 2021, despite mixed results from clinical trials and objections from some experts. 

The drug’s approval has rekindled interest in other therapeutic approaches that aim to prevent or slow down the progression of Alzheimer’s, such as vaccines that stimulate the immune system to attack amyloid or tau, another protein that accumulates in the brains of people with the disease. 

Several vaccine candidates are currently in various stages of development and testing, and some researchers are optimistic that they could offer a more effective and convenient way to treat Alzheimer’s than infusions of antibodies.


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