Issue #8

A new paper published in the Journal of Alzheimer's Disease examines the case of an individual who carried a genetic mutation virtually guaranteeing early-onset Alzheimer's but remained cognitively intact for decades, attributed in part to a lifetime of occupational heat exposure. The international research team proposes that regular elevated body temperature may trigger protective mechanisms against tau protein accumulation, a key driver of Alzheimer's progression.

New research links hot yoga sessions to measurably lower depression scores, with findings suggesting a dose-response relationship where more sessions correlate with greater benefit. The study adds to a growing body of evidence that passive heat exposure may serve as a useful adjunct strategy for some people managing depression, though researchers note it does not replace medication or therapy.

New Scientist reviews the expanding body of research on Finnish sauna use and its associations with reduced risk of cardiovascular disease, stroke, dementia, and depression, tracing how scientific consensus has shifted dramatically from early hypotheses that sauna was harmful to the heart. The article explores the physiological mechanisms by which repeated heat stress may produce protective effects across multiple body systems.

A practitioner-focused article outlines a clinical framework for assessing patient readiness before recommending sauna as a therapeutic intervention, identifying contraindications and preparatory steps that are often skipped in heat therapy protocols. The piece argues that the rising mainstream adoption of sauna has outpaced clinical guidance, leaving practitioners without a standardized screening approach.

National Geographic surveys thermal physiologists and researchers who say the evidence base for many popular cold plunge claims — including weight loss, cognitive enhancement, and accelerated post-workout recovery — is considerably weaker than social media portrayals suggest. Scientists express concern that exaggerated claims have transformed cold-water immersion from a niche recovery tool into a wellness phenomenon that outpaces the science supporting it.

The article surveys current research on how regular sauna use may specifically benefit women's health, covering areas including cardiovascular function, hormonal balance, menopause symptom management, and mental health. It contextualizes heat therapy within a broader history of women's wellness practices across cultures while grounding claims in available clinical literature.

North American lumber prices moved higher across multiple species this week — including Hem-Fir, Douglas Fir, and Southern Yellow Pine — as mills extended order files into late July and transportation delays reduced the availability of prompt shipments. Traders report that the price advance is not demand-driven but instead reflects critically low inventory levels throughout the distribution chain and a shortage of available trucks and rail cars.

U.S. softwood lumber wholesale prices reached their highest point in nearly three years as of mid-July 2026, posting a 6.2% year-over-year gain that outpaced the broader producer price index. The benchmark increase reflects ongoing supply tightness across North American softwood markets.

Carrier Forest Products Ltd. has indefinitely suspended operations at its Big River, Saskatchewan sawmill, laying off 117 workers and citing weak market conditions worsened by U.S. lumber tariffs, a falling Canadian dollar, and reduced timber volumes caused by last year's wildfires. The closure adds to a growing list of Canadian mill curtailments driven by the combined pressure of trade duties and wildfire-related timber supply losses.

Ontario Premier Doug Ford publicly challenged President Trump to lift U.S. softwood lumber tariffs — currently exceeding 45% on Canadian producers — in exchange for Canada's cooperation on cross-border forest management as wildfire smoke set air pollution records in multiple U.S. cities. The standoff highlights how the long-running softwood lumber trade dispute is now intersecting with environmental and public health pressures.

Canfor announced the impending closure of its Northwood pulp mill near Prince George, B.C., eliminating 300 jobs and bringing the total number of forestry jobs lost in British Columbia since 2022 to approximately 15,000. Industry, union, and government officials are calling for emergency support and regulatory changes as the province's forestry sector faces sustained pressure from U.S. tariffs and constrained timber supply.

A Louisiana Southern Yellow Pine sawmill has launched commercial rail shipments through a new Canadian Pacific Kansas City connection, unlocking direct access to Midwestern and Western distribution hubs and positioning Southern mills to compete in markets previously dominated by Canadian imports. The mill plans to more than double its annual capacity to 320 million board feet over the next three years, representing a significant structural shift in North American softwood supply.

The Madison's Lumber Prices Index reached US$548 per thousand board feet for the week ending July 17, 2026, continuing its upward trend as tight supply conditions persisted across North American softwood markets. The index has risen approximately $24 from one month prior, reflecting sustained inventory shortfalls and firm mill pricing.

As of April 6, 2026, Section 232 tariffs on steel, aluminum, and copper now apply to the full customs value of all covered metal articles, with steel and aluminum subject to a 50% rate and certain copper products at 25%, significantly expanding the cost impact on importers. A 15% transitional rate applies through 2027 for metal-intensive industrial equipment to support domestic infrastructure buildout.

A practical guide explains how the April 2026 restructuring of Section 232 tariffs changed the duty calculation basis to full customs value, meaning a $10,000 steel shipment now incurs $5,000 in duties at the 50% rate rather than a fraction of that under the prior methodology. The article walks small manufacturers and importers through what changed, how to identify exposure in their supply chains, and how to account for the new costs accurately.

The Q3 2026 TD Cowen/AFS Freight Index shows truckload rates at a four-year high and LTL rates at a record, driven by a combination of spiking diesel fuel prices, reduced carrier capacity, and unexpected demand from AI infrastructure construction. Forward-looking estimates project rates to hold at elevated levels through the third quarter, with renewed Middle East conflict cited as an ongoing risk to fuel costs.

Truckload and less-than-truckload rate indexes set fresh highs in Q2 2026 and are projected to climb further in Q3, with the truckload rate-per-mile component reaching a 14-quarter high driven by capacity constraints and surging diesel prices. More than 48,000 non-compliant drivers have exited the industry over the past year, further tightening available supply.

Finland.fi explores the global surge in Finnish sauna adoption, particularly in the UK and U.S., where sauna culture is being embraced not just for its health benefits but as a vehicle for face-to-face community connection in an increasingly screen-dominated world. Sauna entrepreneurs, authors, and culture observers discuss how the Finnish tradition of egalitarian, phone-free social bathing is resonating strongly with younger generations.

The Ritz Sauna and Showers at Oregon's Country Fair is marking its 50th anniversary in 2026, having operated as a communal outdoor sauna and shower space since 1976 amid a broader cultural decline in communal nudity. The article examines how this Pacific Northwest institution has persisted and what its milestone anniversary reveals about shifting American attitudes toward communal bathing culture.

The Naked Truth Sauna Festival returned to Tartu, Estonia for its second edition, combining open-air sauna sessions along the Emajõgi River with structured debates on topics including environment, traditions, and peace. The Finnish-Estonian cooperative event draws on the sauna's historical role as an egalitarian democratic space, with organizers describing it as a healer of both bodies and civil discourse.

A daylong wellness and recovery event called The IMMERSIV is scheduled for August 2 at the historic Hempstead House in Sands Point, New York, bringing together wellness practitioners, recovery specialists, and health-focused companies to showcase emerging approaches to preventative health and longevity. The event reflects growing mainstream interest in recovery therapies, nervous system regulation, and heat and cold modalities as preventative health tools.